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Finding the Third Proportional to 8,431,406.25 and 18,141,591

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Solution

The third proportional to 8,431,406.25 and 18,141,591 is: 39,034,689.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431,406.25 : 18,141,591 = 18,141,591 : x
  2. Step 2: Convert to fraction form
    8,431,406.25/18,141,591 = 18,141,591/x
  3. Step 3: Cross multiply
    8,431,406.25x = 18,141,591 × 18,141,591
  4. Step 4: Simplify right side
    8,431,406.25x = 329,117,324,011,281
  5. Step 5: Solve for x
    x = 329,117,324,011,281/8,431,406.25
  6. Step 6: Final answer
    x = 39,034,689.38

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.