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Finding the Third Proportional to 60,520.50 and 85,438.13

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Solution

The third proportional to 60,520.50 and 85,438.13 is: 120,614.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,520.50 : 85,438.13 = 85,438.13 : x
  2. Step 2: Convert to fraction form
    60,520.50/85,438.13 = 85,438.13/x
  3. Step 3: Cross multiply
    60,520.50x = 85,438.13 × 85,438.13
  4. Step 4: Simplify right side
    60,520.50x = 7,299,673,203.52
  5. Step 5: Solve for x
    x = 7,299,673,203.52/60,520.50
  6. Step 6: Final answer
    x = 120,614.89

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.