Home / 39,415-59,531

Finding the Third Proportional to 39,415 and 59,531

Calculator

Solution

The third proportional to 39,415 and 59,531 is: 89,913.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,415 : 59,531 = 59,531 : x
  2. Step 2: Convert to fraction form
    39,415/59,531 = 59,531/x
  3. Step 3: Cross multiply
    39,415x = 59,531 × 59,531
  4. Step 4: Simplify right side
    39,415x = 3,543,939,961
  5. Step 5: Solve for x
    x = 3,543,939,961/39,415
  6. Step 6: Final answer
    x = 89,913.48

Related Problems

Find third proportional to 19,707.50 and 29,765.50
Half scale
Find third proportional to 78,830 and 119,062
Double scale
Find third proportional to 39,417 and 59,534
Similar ratio
Find third proportional to 59,122.50 and 89,296.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.