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Finding the Third Proportional to 114 and 133.88

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Solution

The third proportional to 114 and 133.88 is: 157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114 : 133.88 = 133.88 : x
  2. Step 2: Convert to fraction form
    114/133.88 = 133.88/x
  3. Step 3: Cross multiply
    114x = 133.88 × 133.88
  4. Step 4: Simplify right side
    114x = 17,922.52
  5. Step 5: Solve for x
    x = 17,922.52/114
  6. Step 6: Final answer
    x = 157.22

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Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.