Finding the Third Proportional to 38,712 and 57,917
Calculator
Solution
The third proportional to 38,712 and 57,917 is: 86,649.59
Step by Step Solution
- Step 1: Write the proportion equation
38,712 : 57,917 = 57,917 : x - Step 2: Convert to fraction form
38,712/57,917 = 57,917/x - Step 3: Cross multiply
38,712x = 57,917 × 57,917 - Step 4: Simplify right side
38,712x = 3,354,378,889 - Step 5: Solve for x
x = 3,354,378,889/38,712 - Step 6: Final answer
x = 86,649.59
Related Problems
Find third proportional to 19,356 and 28,958.50
Half scale
Find third proportional to 77,424 and 115,834
Double scale
Find third proportional to 38,714 and 57,920
Similar ratio
Find third proportional to 58,068 and 86,875.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.