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Finding the Third Proportional to 27.20 and 36.94

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Solution

The third proportional to 27.20 and 36.94 is: 50.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.20 : 36.94 = 36.94 : x
  2. Step 2: Convert to fraction form
    27.20/36.94 = 36.94/x
  3. Step 3: Cross multiply
    27.20x = 36.94 × 36.94
  4. Step 4: Simplify right side
    27.20x = 1,364.38
  5. Step 5: Solve for x
    x = 1,364.38/27.20
  6. Step 6: Final answer
    x = 50.17

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.