Maharashtra BoardEnglish MediumSTD 9MathsRatio and Proportion1 Mark
Question
Check whether the following numbers are in continued proportion: $2,4,8$
✓
Answer
If $a , b , c$ are in continued proportion then $b ^2= ac$.
i. $2,4,8$
Let, $a =2, b=4$ and $c =8$
Here, $b^2=4^2=16$
$ac =2 \times 8=16$
$\therefore b ^2= ac$
$\therefore 2,4,8$ are in continued proportion.
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