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Finding the Third Proportional to 3,998,401.50 and 8,635,074

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Solution

The third proportional to 3,998,401.50 and 8,635,074 is: 18,648,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998,401.50 : 8,635,074 = 8,635,074 : x
  2. Step 2: Convert to fraction form
    3,998,401.50/8,635,074 = 8,635,074/x
  3. Step 3: Cross multiply
    3,998,401.50x = 8,635,074 × 8,635,074
  4. Step 4: Simplify right side
    3,998,401.50x = 74,564,502,985,476
  5. Step 5: Solve for x
    x = 74,564,502,985,476/3,998,401.50
  6. Step 6: Final answer
    x = 18,648,578.18

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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.