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Finding the Third Proportional to 68,608 and 102,624

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Solution

The third proportional to 68,608 and 102,624 is: 153,505.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,608 : 102,624 = 102,624 : x
  2. Step 2: Convert to fraction form
    68,608/102,624 = 102,624/x
  3. Step 3: Cross multiply
    68,608x = 102,624 × 102,624
  4. Step 4: Simplify right side
    68,608x = 10,531,685,376
  5. Step 5: Solve for x
    x = 10,531,685,376/68,608
  6. Step 6: Final answer
    x = 153,505.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.