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Finding the Third Proportional to 79,475.25 and 111,391.88

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Solution

The third proportional to 79,475.25 and 111,391.88 is: 156,125.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,475.25 : 111,391.88 = 111,391.88 : x
  2. Step 2: Convert to fraction form
    79,475.25/111,391.88 = 111,391.88/x
  3. Step 3: Cross multiply
    79,475.25x = 111,391.88 × 111,391.88
  4. Step 4: Simplify right side
    79,475.25x = 12,408,149,816.02
  5. Step 5: Solve for x
    x = 12,408,149,816.02/79,475.25
  6. Step 6: Final answer
    x = 156,125.96

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.