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Finding the Third Proportional to 135,760.50 and 298,230.75

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Solution

The third proportional to 135,760.50 and 298,230.75 is: 655,135.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,760.50 : 298,230.75 = 298,230.75 : x
  2. Step 2: Convert to fraction form
    135,760.50/298,230.75 = 298,230.75/x
  3. Step 3: Cross multiply
    135,760.50x = 298,230.75 × 298,230.75
  4. Step 4: Simplify right side
    135,760.50x = 88,941,580,245.56
  5. Step 5: Solve for x
    x = 88,941,580,245.56/135,760.50
  6. Step 6: Final answer
    x = 655,135.92

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.