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Q.

The mean proportional between Question Image and Question Image is ____.


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Detailed Solution

The mean proportional between 0.4 and 0.9 is 0.6.
Given numbers are 0.4 and 0.9.
We have to find the mean proportional between Question Image.
Apply condition for continued proportionality,
Question Image a b = b c
Substitute the known values within the formula,
0.4x=x0.9
0.9×0.4=x×x
x2=36
By taking square root on both sides,
x = 0.6
The value of x is 0.6.
 
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The mean proportional between and is ____.