Home / 57,725-86,356

Finding the Third Proportional to 57,725 and 86,356

Calculator

Solution

The third proportional to 57,725 and 86,356 is: 129,187.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,725 : 86,356 = 86,356 : x
  2. Step 2: Convert to fraction form
    57,725/86,356 = 86,356/x
  3. Step 3: Cross multiply
    57,725x = 86,356 × 86,356
  4. Step 4: Simplify right side
    57,725x = 7,457,358,736
  5. Step 5: Solve for x
    x = 7,457,358,736/57,725
  6. Step 6: Final answer
    x = 129,187.68

Related Problems

Find third proportional to 28,862.50 and 43,178
Half scale
Find third proportional to 115,450 and 172,712
Double scale
Find third proportional to 57,727 and 86,359
Similar ratio
Find third proportional to 86,587.50 and 129,534
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.