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Home > Algebra calculators > Mean proportional example
Ratio and Proportion - 11. Mean proportional example ( Enter your problem )
( Enter your problem )
  1. Examples
 		Other related methods
  1. If `a:b:c=2:3:5` then find value of `(a^2+b^2+c^2)/(ab+bc+ca)`
  2. If `a:b=2:3,b:c=4:5` then find `a:b:c`
  3. If `a/b=c/d=e/f` then prove that `(2a+3c-4e)/(2b+3d-4f)=(5a-4c+3e)/(5b-4d+3f)`
  4. If `x/(y+z)=y/(z+x)=z/(x+y)` then prove the value of each ratio is `1/2` or `-1`
  5. Geometric Mean
  6. Duplicate ratio
  7. Triplicate ratio
  8. Sub-Duplicate ratio
  9. Sub-Triplicate ratio
  10. Compounded ratio
  11. Mean proportional
  12. Third proportional
  13. Fourth proportional
  14. Compare ratios
10. Compounded ratio
(Previous method)		12. Third proportional
(Next method)

1. Examples


1. Find Mean proportional of `8,32`

Solution:
Mean proportion between `a` and `b` is `sqrt(ab)`.


Mean proportion `=sqrt(8 xx 32)`

`=sqrt(256)`

`=16`

2. Find Mean proportional of `4,25`

Solution:
Mean proportion between `a` and `b` is `sqrt(ab)`.


Mean proportion `=sqrt(4 xx 25)`

`=sqrt(100)`

`=10`



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10. Compounded ratio
(Previous method)		12. Third proportional
(Next method)


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