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Finding the Third Proportional to 79,768.50 and 125,149.50

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Solution

The third proportional to 79,768.50 and 125,149.50 is: 196,348.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,768.50 : 125,149.50 = 125,149.50 : x
  2. Step 2: Convert to fraction form
    79,768.50/125,149.50 = 125,149.50/x
  3. Step 3: Cross multiply
    79,768.50x = 125,149.50 × 125,149.50
  4. Step 4: Simplify right side
    79,768.50x = 15,662,397,350.25
  5. Step 5: Solve for x
    x = 15,662,397,350.25/79,768.50
  6. Step 6: Final answer
    x = 196,348.15

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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.