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Finding the Third Proportional to 113,147 and 223,439

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Solution

The third proportional to 113,147 and 223,439 is: 441,240.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,147 : 223,439 = 223,439 : x
  2. Step 2: Convert to fraction form
    113,147/223,439 = 223,439/x
  3. Step 3: Cross multiply
    113,147x = 223,439 × 223,439
  4. Step 4: Simplify right side
    113,147x = 49,924,986,721
  5. Step 5: Solve for x
    x = 49,924,986,721/113,147
  6. Step 6: Final answer
    x = 441,240.04

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Why These Related Problems?

These problems maintain the same ratio (1.97) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.