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Finding the Third Proportional to 18,665 and 29,134

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Solution

The third proportional to 18,665 and 29,134 is: 45,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,665 : 29,134 = 29,134 : x
  2. Step 2: Convert to fraction form
    18,665/29,134 = 29,134/x
  3. Step 3: Cross multiply
    18,665x = 29,134 × 29,134
  4. Step 4: Simplify right side
    18,665x = 848,789,956
  5. Step 5: Solve for x
    x = 848,789,956/18,665
  6. Step 6: Final answer
    x = 45,474.95

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Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.