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1 mark

Find the third proportional to 6 and 24.

  1. A
    12
  2. B
    96
  3. C
    24
  4. D
    15

Solution & Step-by-step Explanation

Let the third proportional to 6 and 24 be x.
By definition of proportional terms:

6:24::24:x
24
6
​
=
x
24
​

Solving for x:

6x=24×24
x=
6
24×24
​

x=4×24=96
Therefore, the third proportional is 96.

Practice this question

Try it yourself before checking the explanation above.

Find the third proportional to 6 and 24.
A
12
B
96
C
24
D
15

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Ratio and Proportion

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