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Finding the Third Proportional to 45.92 and 60.87

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Solution

The third proportional to 45.92 and 60.87 is: 80.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.92 : 60.87 = 60.87 : x
  2. Step 2: Convert to fraction form
    45.92/60.87 = 60.87/x
  3. Step 3: Cross multiply
    45.92x = 60.87 × 60.87
  4. Step 4: Simplify right side
    45.92x = 3,704.99
  5. Step 5: Solve for x
    x = 3,704.99/45.92
  6. Step 6: Final answer
    x = 80.69

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Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.