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Finding the Third Proportional to 132 and 148.88

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Solution

The third proportional to 132 and 148.88 is: 167.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    132 : 148.88 = 148.88 : x
  2. Step 2: Convert to fraction form
    132/148.88 = 148.88/x
  3. Step 3: Cross multiply
    132x = 148.88 × 148.88
  4. Step 4: Simplify right side
    132x = 22,163.77
  5. Step 5: Solve for x
    x = 22,163.77/132
  6. Step 6: Final answer
    x = 167.91

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Why These Related Problems?

These problems maintain the same ratio (1.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.