Home / 331,728-499,256

Finding the Third Proportional to 331,728 and 499,256

Calculator

Solution

The third proportional to 331,728 and 499,256 is: 751,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,728 : 499,256 = 499,256 : x
  2. Step 2: Convert to fraction form
    331,728/499,256 = 499,256/x
  3. Step 3: Cross multiply
    331,728x = 499,256 × 499,256
  4. Step 4: Simplify right side
    331,728x = 249,256,553,536
  5. Step 5: Solve for x
    x = 249,256,553,536/331,728
  6. Step 6: Final answer
    x = 751,388.35

Related Problems

Find third proportional to 165,864 and 249,628
Half scale
Find third proportional to 663,456 and 998,512
Double scale
Find third proportional to 331,730 and 499,259
Similar ratio
Find third proportional to 497,592 and 748,884
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.