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Finding the Third Proportional to 68,404.50 and 108,600.75

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Solution

The third proportional to 68,404.50 and 108,600.75 is: 172,417.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,404.50 : 108,600.75 = 108,600.75 : x
  2. Step 2: Convert to fraction form
    68,404.50/108,600.75 = 108,600.75/x
  3. Step 3: Cross multiply
    68,404.50x = 108,600.75 × 108,600.75
  4. Step 4: Simplify right side
    68,404.50x = 11,794,122,900.56
  5. Step 5: Solve for x
    x = 11,794,122,900.56/68,404.50
  6. Step 6: Final answer
    x = 172,417.35

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.