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Finding the Third Proportional to 3,745,691 and 8,220,461

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Solution

The third proportional to 3,745,691 and 8,220,461 is: 18,040,991.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,745,691 : 8,220,461 = 8,220,461 : x
  2. Step 2: Convert to fraction form
    3,745,691/8,220,461 = 8,220,461/x
  3. Step 3: Cross multiply
    3,745,691x = 8,220,461 × 8,220,461
  4. Step 4: Simplify right side
    3,745,691x = 67,575,979,052,521
  5. Step 5: Solve for x
    x = 67,575,979,052,521/3,745,691
  6. Step 6: Final answer
    x = 18,040,991.38

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.