Home › CMA Foundation › businessmathematics › Mean Proportional › The mean proportional between 0.08 and 0.18 is:
The mean proportional between 0.08 and 0.18 is:
A0.12
B0.13
C0.10
D0.14
Answer & Solution
Correct answer: A. 0.12
1. Per OCR example: "Mean proportional between 0.08 and 0.18 is √(0.08 × 0.18) = √.0144 = 0.12".
2. Formula: y = √(xz).
3. 0.08 × 0.18 = 0.0144; √0.0144 = 0.12.
_Source: ICMAI BoS CMA Foundation Paper 3 (FBMS) — Paper3_07042026.pdf, Module 1 §1.1 (page 12)_