Home / 39,531-57,816

Finding the Third Proportional to 39,531 and 57,816

Calculator

Solution

The third proportional to 39,531 and 57,816 is: 84,558.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531 : 57,816 = 57,816 : x
  2. Step 2: Convert to fraction form
    39,531/57,816 = 57,816/x
  3. Step 3: Cross multiply
    39,531x = 57,816 × 57,816
  4. Step 4: Simplify right side
    39,531x = 3,342,689,856
  5. Step 5: Solve for x
    x = 3,342,689,856/39,531
  6. Step 6: Final answer
    x = 84,558.70

Related Problems

Find third proportional to 19,765.50 and 28,908
Half scale
Find third proportional to 79,062 and 115,632
Double scale
Find third proportional to 39,533 and 57,819
Similar ratio
Find third proportional to 59,296.50 and 86,724
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.