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Finding the Third Proportional to 4,098 and 9,081

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Solution

The third proportional to 4,098 and 9,081 is: 20,123.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098 : 9,081 = 9,081 : x
  2. Step 2: Convert to fraction form
    4,098/9,081 = 9,081/x
  3. Step 3: Cross multiply
    4,098x = 9,081 × 9,081
  4. Step 4: Simplify right side
    4,098x = 82,464,561
  5. Step 5: Solve for x
    x = 82,464,561/4,098
  6. Step 6: Final answer
    x = 20,123.12

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.