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Finding the Third Proportional to 27 and 34.59

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Solution

The third proportional to 27 and 34.59 is: 44.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27 : 34.59 = 34.59 : x
  2. Step 2: Convert to fraction form
    27/34.59 = 34.59/x
  3. Step 3: Cross multiply
    27x = 34.59 × 34.59
  4. Step 4: Simplify right side
    27x = 1,196.73
  5. Step 5: Solve for x
    x = 1,196.73/27
  6. Step 6: Final answer
    x = 44.32

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Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.