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Finding the Third Proportional to 113,154 and 166,419

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Solution

The third proportional to 113,154 and 166,419 is: 244,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,154 : 166,419 = 166,419 : x
  2. Step 2: Convert to fraction form
    113,154/166,419 = 166,419/x
  3. Step 3: Cross multiply
    113,154x = 166,419 × 166,419
  4. Step 4: Simplify right side
    113,154x = 27,695,283,561
  5. Step 5: Solve for x
    x = 27,695,283,561/113,154
  6. Step 6: Final answer
    x = 244,757.44

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.