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Finding the Third Proportional to 13.32 and 22.71

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Solution

The third proportional to 13.32 and 22.71 is: 38.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13.32 : 22.71 = 22.71 : x
  2. Step 2: Convert to fraction form
    13.32/22.71 = 22.71/x
  3. Step 3: Cross multiply
    13.32x = 22.71 × 22.71
  4. Step 4: Simplify right side
    13.32x = 515.74
  5. Step 5: Solve for x
    x = 515.74/13.32
  6. Step 6: Final answer
    x = 38.73

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Why These Related Problems?

These problems maintain the same ratio (1.71) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.