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Finding the Third Proportional to 3,960,578 and 8,489,579

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Solution

The third proportional to 3,960,578 and 8,489,579 is: 18,197,584.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,960,578 : 8,489,579 = 8,489,579 : x
  2. Step 2: Convert to fraction form
    3,960,578/8,489,579 = 8,489,579/x
  3. Step 3: Cross multiply
    3,960,578x = 8,489,579 × 8,489,579
  4. Step 4: Simplify right side
    3,960,578x = 72,072,951,597,241
  5. Step 5: Solve for x
    x = 72,072,951,597,241/3,960,578
  6. Step 6: Final answer
    x = 18,197,584.19

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.