Home / 72,929-159,355

Finding the Third Proportional to 72,929 and 159,355

Calculator

Solution

The third proportional to 72,929 and 159,355 is: 348,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,929 : 159,355 = 159,355 : x
  2. Step 2: Convert to fraction form
    72,929/159,355 = 159,355/x
  3. Step 3: Cross multiply
    72,929x = 159,355 × 159,355
  4. Step 4: Simplify right side
    72,929x = 25,394,016,025
  5. Step 5: Solve for x
    x = 25,394,016,025/72,929
  6. Step 6: Final answer
    x = 348,201.90

Related Problems

Find third proportional to 36,464.50 and 79,677.50
Half scale
Find third proportional to 145,858 and 318,710
Double scale
Find third proportional to 72,931 and 159,359
Similar ratio
Find third proportional to 109,393.50 and 239,032.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.