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Finding the Third Proportional to 13.36 and 22.71

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Solution

The third proportional to 13.36 and 22.71 is: 38.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.36 : 22.71 = 22.71 : x
  2. Step 2: Convert to fraction form
    13.36/22.71 = 22.71/x
  3. Step 3: Cross multiply
    13.36x = 22.71 × 22.71
  4. Step 4: Simplify right side
    13.36x = 515.93
  5. Step 5: Solve for x
    x = 515.93/13.36
  6. Step 6: Final answer
    x = 38.61

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Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.