Home / 38,702-57,909

Finding the Third Proportional to 38,702 and 57,909

Calculator

Solution

The third proportional to 38,702 and 57,909 is: 86,648.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,702 : 57,909 = 57,909 : x
  2. Step 2: Convert to fraction form
    38,702/57,909 = 57,909/x
  3. Step 3: Cross multiply
    38,702x = 57,909 × 57,909
  4. Step 4: Simplify right side
    38,702x = 3,353,452,281
  5. Step 5: Solve for x
    x = 3,353,452,281/38,702
  6. Step 6: Final answer
    x = 86,648.04

Related Problems

Find third proportional to 19,351 and 28,954.50
Half scale
Find third proportional to 77,404 and 115,818
Double scale
Find third proportional to 38,704 and 57,912
Similar ratio
Find third proportional to 58,053 and 86,863.50
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.