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Finding the Third Proportional to 55.25 and 83

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Solution

The third proportional to 55.25 and 83 is: 124.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    55.25 : 83 = 83 : x
  2. Step 2: Convert to fraction form
    55.25/83 = 83/x
  3. Step 3: Cross multiply
    55.25x = 83 × 83
  4. Step 4: Simplify right side
    55.25x = 6,889
  5. Step 5: Solve for x
    x = 6,889/55.25
  6. Step 6: Final answer
    x = 124.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.