The mean proportional between 36 and 9 is:

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The mean proportional between 36 and 9 is:

A12

B18

C9

D24

Answer:

B. 18

Read Explanation:

The mean proportional between two numbers (a) and (b) is:

$\sqrt{a \times b}$

Given: 36 and 9

$\sqrt{36 \times 9} = \sqrt{324} = 18$

Final Answer: 18

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