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Finding the Third Proportional to 133.50 and 188

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Solution

The third proportional to 133.50 and 188 is: 264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.50 : 188 = 188 : x
  2. Step 2: Convert to fraction form
    133.50/188 = 188/x
  3. Step 3: Cross multiply
    133.50x = 188 × 188
  4. Step 4: Simplify right side
    133.50x = 35,344
  5. Step 5: Solve for x
    x = 35,344/133.50
  6. Step 6: Final answer
    x = 264.75

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Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.