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Finding the Third Proportional to 3,998,400 and 8,635,071

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Solution

The third proportional to 3,998,400 and 8,635,071 is: 18,648,572.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,400 : 8,635,071 = 8,635,071 : x
  2. Step 2: Convert to fraction form
    3,998,400/8,635,071 = 8,635,071/x
  3. Step 3: Cross multiply
    3,998,400x = 8,635,071 × 8,635,071
  4. Step 4: Simplify right side
    3,998,400x = 74,564,451,175,041
  5. Step 5: Solve for x
    x = 74,564,451,175,041/3,998,400
  6. Step 6: Final answer
    x = 18,648,572.22

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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.