Home / 267,486-557,389

Finding the Third Proportional to 267,486 and 557,389

Calculator

Solution

The third proportional to 267,486 and 557,389 is: 1,161,490.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,486 : 557,389 = 557,389 : x
  2. Step 2: Convert to fraction form
    267,486/557,389 = 557,389/x
  3. Step 3: Cross multiply
    267,486x = 557,389 × 557,389
  4. Step 4: Simplify right side
    267,486x = 310,682,497,321
  5. Step 5: Solve for x
    x = 310,682,497,321/267,486
  6. Step 6: Final answer
    x = 1,161,490.68

Related Problems

Find third proportional to 133,743 and 278,694.50
Half scale
Find third proportional to 534,972 and 1,114,778
Double scale
Find third proportional to 267,488 and 557,393
Similar ratio
Find third proportional to 401,229 and 836,083.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.