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Finding the Third Proportional to 73,001 and 80,681

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Solution

The third proportional to 73,001 and 80,681 is: 89,168.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,001 : 80,681 = 80,681 : x
  2. Step 2: Convert to fraction form
    73,001/80,681 = 80,681/x
  3. Step 3: Cross multiply
    73,001x = 80,681 × 80,681
  4. Step 4: Simplify right side
    73,001x = 6,509,423,761
  5. Step 5: Solve for x
    x = 6,509,423,761/73,001
  6. Step 6: Final answer
    x = 89,168.97

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.