Home / 220,711-349,723.50

Finding the Third Proportional to 220,711 and 349,723.50

Calculator

Solution

The third proportional to 220,711 and 349,723.50 is: 554,147.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,711 : 349,723.50 = 349,723.50 : x
  2. Step 2: Convert to fraction form
    220,711/349,723.50 = 349,723.50/x
  3. Step 3: Cross multiply
    220,711x = 349,723.50 × 349,723.50
  4. Step 4: Simplify right side
    220,711x = 122,306,526,452.25
  5. Step 5: Solve for x
    x = 122,306,526,452.25/220,711
  6. Step 6: Final answer
    x = 554,147.85

Related Problems

Find third proportional to 110,355.50 and 174,861.75
Half scale
Find third proportional to 441,422 and 699,447
Double scale
Find third proportional to 220,713 and 349,727
Similar ratio
Find third proportional to 331,066.50 and 524,585.25
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.