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Finding the Third Proportional to 8,659,035 and 18,690,966

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Solution

The third proportional to 8,659,035 and 18,690,966 is: 40,345,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,659,035 : 18,690,966 = 18,690,966 : x
  2. Step 2: Convert to fraction form
    8,659,035/18,690,966 = 18,690,966/x
  3. Step 3: Cross multiply
    8,659,035x = 18,690,966 × 18,690,966
  4. Step 4: Simplify right side
    8,659,035x = 349,352,210,013,156
  5. Step 5: Solve for x
    x = 349,352,210,013,156/8,659,035
  6. Step 6: Final answer
    x = 40,345,397.61

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.