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Finding the Third Proportional to 135.56 and 188.44

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Solution

The third proportional to 135.56 and 188.44 is: 261.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    135.56 : 188.44 = 188.44 : x
  2. Step 2: Convert to fraction form
    135.56/188.44 = 188.44/x
  3. Step 3: Cross multiply
    135.56x = 188.44 × 188.44
  4. Step 4: Simplify right side
    135.56x = 35,508.69
  5. Step 5: Solve for x
    x = 35,508.69/135.56
  6. Step 6: Final answer
    x = 261.94

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.