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Finding the Third Proportional to 79,879.50 and 125,304.75

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Solution

The third proportional to 79,879.50 and 125,304.75 is: 196,562.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,879.50 : 125,304.75 = 125,304.75 : x
  2. Step 2: Convert to fraction form
    79,879.50/125,304.75 = 125,304.75/x
  3. Step 3: Cross multiply
    79,879.50x = 125,304.75 × 125,304.75
  4. Step 4: Simplify right side
    79,879.50x = 15,701,280,372.56
  5. Step 5: Solve for x
    x = 15,701,280,372.56/79,879.50
  6. Step 6: Final answer
    x = 196,562.08

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Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.