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Finding the Third Proportional to 68,569 and 104,432

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Solution

The third proportional to 68,569 and 104,432 is: 159,052.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,569 : 104,432 = 104,432 : x
  2. Step 2: Convert to fraction form
    68,569/104,432 = 104,432/x
  3. Step 3: Cross multiply
    68,569x = 104,432 × 104,432
  4. Step 4: Simplify right side
    68,569x = 10,906,042,624
  5. Step 5: Solve for x
    x = 10,906,042,624/68,569
  6. Step 6: Final answer
    x = 159,052.09

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Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.