Missing Number in Proportion Calculator

: :
3:6 :: 5:10
x = 5
show workout

Work with steps - Find Missing Number in Proportion

Question:
Find the unknown value of x in the proportion.
3:6 :: x:10
Answer:
step 1
Write the given ratios in fraction form
3:6 =
36
x:10 =
x10
step 2
Find the Means & Extremes
36
=
x10
3 x 10 = x x 6
Extremes = 3, 10
Means = 6, x
step 3
Rearrange the statement to find x
x =
3 x 106
x = 5
step 4
The missing term in the proportion is 5
Therefore the proportion is 3:6 = 5:10
Missing number in the proportion calculator that shows work to find the unknown value of number in the given proportion. The step-by-step calculation help parents to assist their kids studying 4th, 5th or 6th grade to verify the work and answers of writing missing number in a proportion homework and assignment problems in pre-algebra or in ratios and proportional relationships (RP) of common core state standards (CCSS) for mathematics.
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