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Finding the Third Proportional to 27.69 and 59.17

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Solution

The third proportional to 27.69 and 59.17 is: 126.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27.69 : 59.17 = 59.17 : x
  2. Step 2: Convert to fraction form
    27.69/59.17 = 59.17/x
  3. Step 3: Cross multiply
    27.69x = 59.17 × 59.17
  4. Step 4: Simplify right side
    27.69x = 3,500.85
  5. Step 5: Solve for x
    x = 3,500.85/27.69
  6. Step 6: Final answer
    x = 126.45

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.