The phrase "achieve a third" is correct and usable in written English.
It can be used in contexts where you are discussing reaching a specific goal or milestone that is one-third of a total or target.
Example: "Our team worked hard this quarter, and we were able to achieve a third of our annual sales target."
Alternatives: "reach one-third" or "attain a third".
"We've still to achieve a third Michelin star, which we want very much," he says.
Notwithstanding her membership of the Cambridge Nines - granted only to those who successfully achieve a third in every year of study - Carol's ability to tussle effortlessly with the most mind-bending number puzzles never ceased to amaze.
As part of a push to make teaching "the noble profession" attracting the "best brains", a Tory government would deny state funding for training to graduates who achieve a third.
We are talking about the opportunity to create a town for an additional 300,000 people, but unless we treat this area holistically we will be lucky if we can achieve a third of that figure.
The filmmaker, Lutz Hachmeister, took his camera into 10 pressure-cooker kitchens (including one, Noma in Copenhagen, which has yet to achieve a third star despite being considered by some to be the best restaurant in the world).
He worked hard at improving his skills and was able to achieve a third place finish in the Ohio State Time Trial Championships, when he was at his best.
Aged just 20, she was the first woman to achieve a first in history at Lady Margaret Hall, Oxford.
More significantly, live-at-home students were less likely to achieve a first or upper-second class degree.
But it is not enough to achieve a fourth objective: an end to the emigration of Jews from the Russian Federation.
These are the best and worst universities to go to if you want to achieve a first or a 2 1.
This could achieve a first round of tariff cuts when the agreement came into force, followed by a second round on 1 January.
