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Finding the Third Proportional to 57,516.75 and 120,217.50

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Solution

The third proportional to 57,516.75 and 120,217.50 is: 251,270.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,516.75 : 120,217.50 = 120,217.50 : x
  2. Step 2: Convert to fraction form
    57,516.75/120,217.50 = 120,217.50/x
  3. Step 3: Cross multiply
    57,516.75x = 120,217.50 × 120,217.50
  4. Step 4: Simplify right side
    57,516.75x = 14,452,247,306.25
  5. Step 5: Solve for x
    x = 14,452,247,306.25/57,516.75
  6. Step 6: Final answer
    x = 251,270.24

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.