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Finding the Third Proportional to 47,129 and 102,551

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Solution

The third proportional to 47,129 and 102,551 is: 223,147.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,129 : 102,551 = 102,551 : x
  2. Step 2: Convert to fraction form
    47,129/102,551 = 102,551/x
  3. Step 3: Cross multiply
    47,129x = 102,551 × 102,551
  4. Step 4: Simplify right side
    47,129x = 10,516,707,601
  5. Step 5: Solve for x
    x = 10,516,707,601/47,129
  6. Step 6: Final answer
    x = 223,147.27

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.