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Finding the Third Proportional to 110.75 and 133

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Solution

The third proportional to 110.75 and 133 is: 159.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.75 : 133 = 133 : x
  2. Step 2: Convert to fraction form
    110.75/133 = 133/x
  3. Step 3: Cross multiply
    110.75x = 133 × 133
  4. Step 4: Simplify right side
    110.75x = 17,689
  5. Step 5: Solve for x
    x = 17,689/110.75
  6. Step 6: Final answer
    x = 159.72

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Why These Related Problems?

These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.