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Finding the Third Proportional to 106.41 and 132.05

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Solution

The third proportional to 106.41 and 132.05 is: 163.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    106.41 : 132.05 = 132.05 : x
  2. Step 2: Convert to fraction form
    106.41/132.05 = 132.05/x
  3. Step 3: Cross multiply
    106.41x = 132.05 × 132.05
  4. Step 4: Simplify right side
    106.41x = 17,436.38
  5. Step 5: Solve for x
    x = 17,436.38/106.41
  6. Step 6: Final answer
    x = 163.87

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Why These Related Problems?

These problems maintain the same ratio (1.24) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.