"earned it the title" is correct and can be used in written English.
You can use it when referring to something that has acquired recognition or distinction due to its achievements. For example, "Her hard work and dedication earned it the title of 'Employee of the Year.'".
Balkh then became the capital of Khorāsān; it enlarged greatly in size until under the ʿAbbāsids and Sāmānids its fame as a capital and centre of learning earned it the title of "mother of cities".
Dart's business model has earned it the title "vulture fund".
The pivotal role of the robin in West Nile has earned it the title "super spreader".
Even so, Alstom's shareholders approved a euro600m rights issue to shore up its finances.Ahold, a Dutch retailer once dubbed Europe's Enron, revealed the extent of the accounting irregularities that earned it the title.
Introduced in 2003 by the then Social Democratic chancellor Gerhard Schröder as part of a wide-ranging labour market reform when Germany's economic doldrums earned it the title "sick man of Europe", they keep down labour costs and offer greater flexibility to employers.
This week we return once more to the Former Yugoslav Republic (Twice Removed) of Potya, the tiny country tucked away down the back of Macedonia whose history, short, proud and characterised by sporadic violence, has earned it the title The Dennis Wise of the Nations.
The stock lost almost half its value, earning it the title of Forbes.com's Dog Of The Day. Nuance said late yesterday that it expects to report a first-quarter pro forma loss in a range of 31 cents to 38 cents per share.
Its annual revenues hover just above $1 billion, earning it the title (in most circles) of the nation's second largest coal producer.
The evening sale also featured Alberto Giacometti's life-size sculpture Pointing Man which reached estimated $141.3m, earning it the title of most expensive sculpture sold at auction.
