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Finding the Third Proportional to 48,609.75 and 79,374.75

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Solution

The third proportional to 48,609.75 and 79,374.75 is: 129,610.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,609.75 : 79,374.75 = 79,374.75 : x
  2. Step 2: Convert to fraction form
    48,609.75/79,374.75 = 79,374.75/x
  3. Step 3: Cross multiply
    48,609.75x = 79,374.75 × 79,374.75
  4. Step 4: Simplify right side
    48,609.75x = 6,300,350,937.56
  5. Step 5: Solve for x
    x = 6,300,350,937.56/48,609.75
  6. Step 6: Final answer
    x = 129,610.85

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Why These Related Problems?

These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.