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Finding the Third Proportional to 8,731,475 and 18,367,843

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Solution

The third proportional to 8,731,475 and 18,367,843 is: 38,639,251.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,475 : 18,367,843 = 18,367,843 : x
  2. Step 2: Convert to fraction form
    8,731,475/18,367,843 = 18,367,843/x
  3. Step 3: Cross multiply
    8,731,475x = 18,367,843 × 18,367,843
  4. Step 4: Simplify right side
    8,731,475x = 337,377,656,472,649
  5. Step 5: Solve for x
    x = 337,377,656,472,649/8,731,475
  6. Step 6: Final answer
    x = 38,639,251.27

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.