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Finding the Third Proportional to 8,731,476 and 18,367,854

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Solution

The third proportional to 8,731,476 and 18,367,854 is: 38,639,293.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,731,476 : 18,367,854 = 18,367,854 : x
  2. Step 2: Convert to fraction form
    8,731,476/18,367,854 = 18,367,854/x
  3. Step 3: Cross multiply
    8,731,476x = 18,367,854 × 18,367,854
  4. Step 4: Simplify right side
    8,731,476x = 337,378,060,565,316
  5. Step 5: Solve for x
    x = 337,378,060,565,316/8,731,476
  6. Step 6: Final answer
    x = 38,639,293.12

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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.