Question

find the third proportional to 0.5 and 1.5​

Answer 1

Step-by-step explanation:

We have- 12 is to 18

We have to find the third number.

x= 12:18::18:x

18*18=12*X

324= 12*x

therefore 324/12=27

12*27=324=18*18

formula= product of extremes = product of means

mean= 18,18 that are on the inner side

extreme= 12,27 that are on the extreme ends

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Answer 2

Answer:

12.5

Step-by-step explanation:

$\frac{0.5}{1.5}$ * $\frac{1.5}{x}$

$\frac{5}{15}$ *  $\frac{15}{10x}$

50x = 625

​x = $\frac{625}{50}$

  = 12.5

Hence, the third proportion = 12.5