Home / 156,641-252,215

Finding the Third Proportional to 156,641 and 252,215

Calculator

Solution

The third proportional to 156,641 and 252,215 is: 406,103.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,641 : 252,215 = 252,215 : x
  2. Step 2: Convert to fraction form
    156,641/252,215 = 252,215/x
  3. Step 3: Cross multiply
    156,641x = 252,215 × 252,215
  4. Step 4: Simplify right side
    156,641x = 63,612,406,225
  5. Step 5: Solve for x
    x = 63,612,406,225/156,641
  6. Step 6: Final answer
    x = 406,103.17

Related Problems

Find third proportional to 78,320.50 and 126,107.50
Half scale
Find third proportional to 313,282 and 504,430
Double scale
Find third proportional to 156,643 and 252,218
Similar ratio
Find third proportional to 234,961.50 and 378,322.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.