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Finding the Third Proportional to 27.75 and 60.38

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Solution

The third proportional to 27.75 and 60.38 is: 131.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.75 : 60.38 = 60.38 : x
  2. Step 2: Convert to fraction form
    27.75/60.38 = 60.38/x
  3. Step 3: Cross multiply
    27.75x = 60.38 × 60.38
  4. Step 4: Simplify right side
    27.75x = 3,645.14
  5. Step 5: Solve for x
    x = 3,645.14/27.75
  6. Step 6: Final answer
    x = 131.36

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.