What is the mean proportional between 9 and 64?
A. 36.5
B. 28
C. 24
D. 32
1 answer
Best answer
Answer: C. 24
Answer: (C) 24
Mean proportional = \( \sqrt{9 \times 64} = \sqrt{576} = 24 \).
Doubtly AI
· 27 Oct 2026
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