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Finding the Third Proportional to 80,001 and 169,842

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Solution

The third proportional to 80,001 and 169,842 is: 360,574.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,001 : 169,842 = 169,842 : x
  2. Step 2: Convert to fraction form
    80,001/169,842 = 169,842/x
  3. Step 3: Cross multiply
    80,001x = 169,842 × 169,842
  4. Step 4: Simplify right side
    80,001x = 28,846,304,964
  5. Step 5: Solve for x
    x = 28,846,304,964/80,001
  6. Step 6: Final answer
    x = 360,574.30

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.