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Finding the Third Proportional to 45.38 and 60

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Solution

The third proportional to 45.38 and 60 is: 79.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45.38 : 60 = 60 : x
  2. Step 2: Convert to fraction form
    45.38/60 = 60/x
  3. Step 3: Cross multiply
    45.38x = 60 × 60
  4. Step 4: Simplify right side
    45.38x = 3,600
  5. Step 5: Solve for x
    x = 3,600/45.38
  6. Step 6: Final answer
    x = 79.34

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Why These Related Problems?

These problems maintain the same ratio (1.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.