Home / 129,205,459.13-198,597,921.19

Finding the Third Proportional to 129,205,459.13 and 198,597,921.19

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Solution

The third proportional to 129,205,459.13 and 198,597,921.19 is: 305,259,039.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,205,459.13 : 198,597,921.19 = 198,597,921.19 : x
  2. Step 2: Convert to fraction form
    129,205,459.13/198,597,921.19 = 198,597,921.19/x
  3. Step 3: Cross multiply
    129,205,459.13x = 198,597,921.19 × 198,597,921.19
  4. Step 4: Simplify right side
    129,205,459.13x = 39,441,134,299,996,464
  5. Step 5: Solve for x
    x = 39,441,134,299,996,464/129,205,459.13
  6. Step 6: Final answer
    x = 305,259,039.11

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.