Home / 274,292-411,438

Finding the Third Proportional to 274,292 and 411,438

Calculator

Solution

The third proportional to 274,292 and 411,438 is: 617,157

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,292 : 411,438 = 411,438 : x
  2. Step 2: Convert to fraction form
    274,292/411,438 = 411,438/x
  3. Step 3: Cross multiply
    274,292x = 411,438 × 411,438
  4. Step 4: Simplify right side
    274,292x = 169,281,227,844
  5. Step 5: Solve for x
    x = 169,281,227,844/274,292
  6. Step 6: Final answer
    x = 617,157

Related Problems

Find third proportional to 137,146 and 205,719
Half scale
Find third proportional to 548,584 and 822,876
Double scale
Find third proportional to 274,294 and 411,441
Similar ratio
Find third proportional to 411,438 and 617,157
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.