Home / 138,359,649-212,228,403

Finding the Third Proportional to 138,359,649 and 212,228,403

Calculator

Solution

The third proportional to 138,359,649 and 212,228,403 is: 325,534,903.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,359,649 : 212,228,403 = 212,228,403 : x
  2. Step 2: Convert to fraction form
    138,359,649/212,228,403 = 212,228,403/x
  3. Step 3: Cross multiply
    138,359,649x = 212,228,403 × 212,228,403
  4. Step 4: Simplify right side
    138,359,649x = 45,040,895,039,930,408
  5. Step 5: Solve for x
    x = 45,040,895,039,930,408/138,359,649
  6. Step 6: Final answer
    x = 325,534,903.89

Related Problems

Find third proportional to 69,179,824.50 and 106,114,201.50
Half scale
Find third proportional to 276,719,298 and 424,456,806
Double scale
Find third proportional to 138,359,651 and 212,228,406
Similar ratio
Find third proportional to 207,539,473.50 and 318,342,604.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.