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Finding the Third Proportional to 55.44 and 112.75

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Solution

The third proportional to 55.44 and 112.75 is: 229.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.44 : 112.75 = 112.75 : x
  2. Step 2: Convert to fraction form
    55.44/112.75 = 112.75/x
  3. Step 3: Cross multiply
    55.44x = 112.75 × 112.75
  4. Step 4: Simplify right side
    55.44x = 12,712.56
  5. Step 5: Solve for x
    x = 12,712.56/55.44
  6. Step 6: Final answer
    x = 229.31

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Why These Related Problems?

These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.