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Finding the Third Proportional to 73,982 and 161,802

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Solution

The third proportional to 73,982 and 161,802 is: 353,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,982 : 161,802 = 161,802 : x
  2. Step 2: Convert to fraction form
    73,982/161,802 = 161,802/x
  3. Step 3: Cross multiply
    73,982x = 161,802 × 161,802
  4. Step 4: Simplify right side
    73,982x = 26,179,887,204
  5. Step 5: Solve for x
    x = 26,179,887,204/73,982
  6. Step 6: Final answer
    x = 353,868.34

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.