Home / 253,728-557,676

Finding the Third Proportional to 253,728 and 557,676

Calculator

Solution

The third proportional to 253,728 and 557,676 is: 1,225,731.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,728 : 557,676 = 557,676 : x
  2. Step 2: Convert to fraction form
    253,728/557,676 = 557,676/x
  3. Step 3: Cross multiply
    253,728x = 557,676 × 557,676
  4. Step 4: Simplify right side
    253,728x = 311,002,520,976
  5. Step 5: Solve for x
    x = 311,002,520,976/253,728
  6. Step 6: Final answer
    x = 1,225,731.97

Related Problems

Find third proportional to 126,864 and 278,838
Half scale
Find third proportional to 507,456 and 1,115,352
Double scale
Find third proportional to 253,730 and 557,680
Similar ratio
Find third proportional to 380,592 and 836,514
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.