Question
Find the second term of the proportion whose first, third, and fourth terms are $9, 8,$ and $24$ respectively.
✓
Answer
Let the second term $=x$
$9: x:: 8: 24 $
$\Rightarrow x \times 8=24 \times 9 $
$x=\frac{24 \times 9}{8}=3 \times 9=27$
The second term of proportion $=27$
$9: x:: 8: 24 $
$\Rightarrow x \times 8=24 \times 9 $
$x=\frac{24 \times 9}{8}=3 \times 9=27$
The second term of proportion $=27$
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