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Finding the Third Proportional to 27.38 and 56

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Solution

The third proportional to 27.38 and 56 is: 114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.38 : 56 = 56 : x
  2. Step 2: Convert to fraction form
    27.38/56 = 56/x
  3. Step 3: Cross multiply
    27.38x = 56 × 56
  4. Step 4: Simplify right side
    27.38x = 3,136
  5. Step 5: Solve for x
    x = 3,136/27.38
  6. Step 6: Final answer
    x = 114.56

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.