Home / 61,416-129,354

Finding the Third Proportional to 61,416 and 129,354

Calculator

Solution

The third proportional to 61,416 and 129,354 is: 272,444.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,416 : 129,354 = 129,354 : x
  2. Step 2: Convert to fraction form
    61,416/129,354 = 129,354/x
  3. Step 3: Cross multiply
    61,416x = 129,354 × 129,354
  4. Step 4: Simplify right side
    61,416x = 16,732,457,316
  5. Step 5: Solve for x
    x = 16,732,457,316/61,416
  6. Step 6: Final answer
    x = 272,444.60

Related Problems

Find third proportional to 30,708 and 64,677
Half scale
Find third proportional to 122,832 and 258,708
Double scale
Find third proportional to 61,418 and 129,358
Similar ratio
Find third proportional to 92,124 and 194,031
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.