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Finding the Third Proportional to 88.88 and 133.88

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Solution

The third proportional to 88.88 and 133.88 is: 201.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88.88 : 133.88 = 133.88 : x
  2. Step 2: Convert to fraction form
    88.88/133.88 = 133.88/x
  3. Step 3: Cross multiply
    88.88x = 133.88 × 133.88
  4. Step 4: Simplify right side
    88.88x = 17,922.52
  5. Step 5: Solve for x
    x = 17,922.52/88.88
  6. Step 6: Final answer
    x = 201.66

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.