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Finding the Third Proportional to 3,898 and 8,552

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Solution

The third proportional to 3,898 and 8,552 is: 18,762.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,898 : 8,552 = 8,552 : x
  2. Step 2: Convert to fraction form
    3,898/8,552 = 8,552/x
  3. Step 3: Cross multiply
    3,898x = 8,552 × 8,552
  4. Step 4: Simplify right side
    3,898x = 73,136,704
  5. Step 5: Solve for x
    x = 73,136,704/3,898
  6. Step 6: Final answer
    x = 18,762.62

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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.