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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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make up a third

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "make up a third" is correct and usable in written English.
It can be used when referring to the act of creating or forming a third part of something, often in a mathematical or statistical context. Example: "If we combine the two groups, they will make up a third of the total population surveyed."

✓ Grammatically correct

News & Media

Science

Human-verified examples from authoritative sources

Exact Expressions

57 human-written examples

Mexican-Americans already make up a third of the state's population, and they are registering to vote in increasing numbers.

Early voting could make up a third of the turnout.

News & Media

The New York Times

(Jazz guys and baseball players make up a third category).

Credit Suisse thinks "marginal" borrowers make up a third of subprime loans.

News & Media

The Economist

Those who've quit or are about to go make up a third of British retail savings.

News & Media

Independent

Exports to the euro zone make up a third of G.D.P.

News & Media

The New York Times

Exports make up a third of the economy, so Germany is sensitive to slumps elsewhere.

News & Media

The New York Times

Choose one or the other, dammit, but don't make up a third option.

Aboriginal women make up a third of the female prison population in both countries.

News & Media

The Guardian

Two-person households will make up a third of the total.

News & Media

The Guardian

They make up a third of all jobs in Queens, Mr. Walsh said.

News & Media

The New York Times
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Expert writing Tips

Best practice

When using "make up a third", ensure the context clearly defines the total from which the third is derived. For example, "Women make up a third of the workforce" clarifies that the workforce is the total being referenced.

Common error

Avoid ambiguity by clearly specifying what the "third" relates to. Saying "They make up a third" without context leaves the reader wondering, a third of what?

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "make up a third" functions as a descriptive quantifier, indicating that a particular group or element constitutes one-third of a larger whole. As Ludwig explains, this phrase is grammatically correct and commonly used.

Expression frequency: Very common

Frequent in

News & Media

68%

Science

15%

Formal & Business

7%

Less common in

Encyclopedias

3%

Wiki

3%

Academia

2%

Ludwig's WRAP-UP

The phrase "make up a third" is a common and grammatically sound way to describe that a component constitutes one-third of a whole. Ludwig's analysis confirms that the phrase is correct and versatile, appearing frequently in news, science, and business contexts. The examples show that the phrase is used to provide proportional information, helping to quantify the size or significance of a segment within a broader context. When using this phrase, ensure clarity by specifying the total being referenced to avoid ambiguity. Overall, it is a valuable and effective way to express proportional relationships.

FAQs

How can I use "make up a third" in a sentence?

You can use "make up a third" to describe a proportional relationship, such as "Exports to the euro zone "make up a third" of G.D.P."

What are some alternatives to "make up a third"?

Some alternatives include "constitute one-third", "represent a third", or "account for a third".

Is it better to say "comprise a third" or "make up a third"?

"Comprise a third" and "make up a third" are similar, but "comprise" suggests that the third is an essential component, while "make up" is more general. Choose the one that best fits the specific meaning you want to convey.

What's the difference between "a third of" and "make up a third"?

"A third of" describes a fraction of a whole, while "make up a third" describes the act of composing a third of something. For example, "A third of the population" versus "Women "make up a third" of the workforce".

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Source & Trust

86%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: