Mean proportional between $4$ and $9$ is

Mean proportional between $4$ and $9$ is
  1. $6$
  2. $\dfrac{13}{2}$
  3. $36$
  4. $\sqrt{13}$

Solution

Mean proportional $= \sqrt{4 \times 9} = \sqrt{36} = 6$.

Asked in: MH-SSC-9

Practice more Ratio and Proportion questions on Aicharya