Home / 72,711-159,759

Finding the Third Proportional to 72,711 and 159,759

Calculator

Solution

The third proportional to 72,711 and 159,759 is: 351,018.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,711 : 159,759 = 159,759 : x
  2. Step 2: Convert to fraction form
    72,711/159,759 = 159,759/x
  3. Step 3: Cross multiply
    72,711x = 159,759 × 159,759
  4. Step 4: Simplify right side
    72,711x = 25,522,938,081
  5. Step 5: Solve for x
    x = 25,522,938,081/72,711
  6. Step 6: Final answer
    x = 351,018.94

Related Problems

Find third proportional to 36,355.50 and 79,879.50
Half scale
Find third proportional to 145,422 and 319,518
Double scale
Find third proportional to 72,713 and 159,763
Similar ratio
Find third proportional to 109,066.50 and 239,638.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.