Home / 331,930,278-487,133,721

Finding the Third Proportional to 331,930,278 and 487,133,721

Calculator

Solution

The third proportional to 331,930,278 and 487,133,721 is: 714,906,948.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,930,278 : 487,133,721 = 487,133,721 : x
  2. Step 2: Convert to fraction form
    331,930,278/487,133,721 = 487,133,721/x
  3. Step 3: Cross multiply
    331,930,278x = 487,133,721 × 487,133,721
  4. Step 4: Simplify right side
    331,930,278x = 237,299,262,135,305,856
  5. Step 5: Solve for x
    x = 237,299,262,135,305,856/331,930,278
  6. Step 6: Final answer
    x = 714,906,948.43

Related Problems

Find third proportional to 165,965,139 and 243,566,860.50
Half scale
Find third proportional to 663,860,556 and 974,267,442
Double scale
Find third proportional to 331,930,280 and 487,133,724
Similar ratio
Find third proportional to 497,895,417 and 730,700,581.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.