Home / 242,572-347,354

Finding the Third Proportional to 242,572 and 347,354

Calculator

Solution

The third proportional to 242,572 and 347,354 is: 497,397.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,572 : 347,354 = 347,354 : x
  2. Step 2: Convert to fraction form
    242,572/347,354 = 347,354/x
  3. Step 3: Cross multiply
    242,572x = 347,354 × 347,354
  4. Step 4: Simplify right side
    242,572x = 120,654,801,316
  5. Step 5: Solve for x
    x = 120,654,801,316/242,572
  6. Step 6: Final answer
    x = 497,397.89

Related Problems

Find third proportional to 121,286 and 173,677
Half scale
Find third proportional to 485,144 and 694,708
Double scale
Find third proportional to 242,574 and 347,357
Similar ratio
Find third proportional to 363,858 and 521,031
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.