Home / 57,927-86,385

Finding the Third Proportional to 57,927 and 86,385

Calculator

Solution

The third proportional to 57,927 and 86,385 is: 128,823.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,927 : 86,385 = 86,385 : x
  2. Step 2: Convert to fraction form
    57,927/86,385 = 86,385/x
  3. Step 3: Cross multiply
    57,927x = 86,385 × 86,385
  4. Step 4: Simplify right side
    57,927x = 7,462,368,225
  5. Step 5: Solve for x
    x = 7,462,368,225/57,927
  6. Step 6: Final answer
    x = 128,823.66

Related Problems

Find third proportional to 28,963.50 and 43,192.50
Half scale
Find third proportional to 115,854 and 172,770
Double scale
Find third proportional to 57,929 and 86,388
Similar ratio
Find third proportional to 86,890.50 and 129,577.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.