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Finding the Third Proportional to 47,169 and 102,762

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Solution

The third proportional to 47,169 and 102,762 is: 223,876.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,169 : 102,762 = 102,762 : x
  2. Step 2: Convert to fraction form
    47,169/102,762 = 102,762/x
  3. Step 3: Cross multiply
    47,169x = 102,762 × 102,762
  4. Step 4: Simplify right side
    47,169x = 10,560,028,644
  5. Step 5: Solve for x
    x = 10,560,028,644/47,169
  6. Step 6: Final answer
    x = 223,876.46

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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.