Mean Proportional


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mean proportional

[′mēn prə′pȯr·shən·əl]
(mathematics)
For two numbers a and b, a number x, such that x / a = b / x.

Mean Proportional

 

A mean proportional between two positive numbers is a number equal to the square root of their product. Thus, if a:x = x:b, then x is a mean proportional between a and b, and Mean Proportional. The mean proportional x is also called the geometric mean of a and b.

References in periodicals archive ?
The mean proportional bias of HPLC vs GC-MS was very similar to that observed for fasting tHcy concentrations.
6 Mean proportional Upper limit Lower limit Metabolite bias, of agreement, of agreement, (d) % (d) % (d) % tCys 65.
Antilogs of the mean differences were calculated to assess the mean proportional biases of the TCEP method with respect to the TBP method.
The mean proportional biases between the TBP and TCEP determinations of tCys, tCys-Gly, and tGSH (Table 2) therefore originated in the differences between the aminothiol peak areas in the clinical plasma samples (see above) rather than from the differences between calibration slopes.

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