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Finding the Third Proportional to 51.75 and 134.44

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Solution

The third proportional to 51.75 and 134.44 is: 349.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    51.75 : 134.44 = 134.44 : x
  2. Step 2: Convert to fraction form
    51.75/134.44 = 134.44/x
  3. Step 3: Cross multiply
    51.75x = 134.44 × 134.44
  4. Step 4: Simplify right side
    51.75x = 18,073.44
  5. Step 5: Solve for x
    x = 18,073.44/51.75
  6. Step 6: Final answer
    x = 349.25

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Why These Related Problems?

These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.