The phrase "a same proportion of" is not correct in English.
The correct form should be "the same proportion of." You can use it when comparing quantities or ratios that are equal in size or amount.
Example: "In the study, we found that the participants had the same proportion of success regardless of their background."
Alternatives: "an equal proportion of" or "the identical proportion of".
We compared the above optimal strategy with an alternative nonoptimal strategy, defined as a contract insuring the same proportion of milk as the optimal (52%) but with a constant amount insured across all contract months.
To put it another way, an individual in an office with a 10 percentage point higher proportion of advisers working with ERA participants will have.3 fewer months on welfare than an individual in an office where the same proportion of advisers worked with ERA participants and control group members (NDLP recipients).
G. longicalyx had approximately the same proportion of A-specific markers, but the proportion of D-specific markers is considerably lower (12.6%), which is expected because it is closely related to A-genome diploids.
As a further control, the same proportion of BECs were found in skin and tumors of mice that were injected with FITC-lectin versus those that were not injected, but virtually no BECs were found to be positive for FITC-lectin in non-injected mice (Fig. 3g).
It also hews to a policy of investing the same proportion of assets in each industry as a portfolio's benchmark.
It was Buffett who complained that, yes, there is a class war ("It's being waged by my class, the rich, and they are winning" was his drift) and that million-dollar-a-year folk should pay the same proportion of their income as average American taxpayers.
Concerning analyses for corrected prevalence of symptoms, we also performed an analysis excluding the same proportion of subjects among non-participants as we had done among participants, but the results did not materially change.
The estimation of cumulative asthma incidence at the age of ten in the cohort was based on an assumption that the same proportion of new cases occurred in the whole cohort between the age of seven and ten as among the controls.
Thus a low earner (a new teacher or social worker) pays the same proportion of his income as a high earner.
Small investors get the same proportion of dividends as a shareholder holding a controlling interest in a company.
