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Finding the Third Proportional to 57.75 and 104

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Solution

The third proportional to 57.75 and 104 is: 187.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    57.75 : 104 = 104 : x
  2. Step 2: Convert to fraction form
    57.75/104 = 104/x
  3. Step 3: Cross multiply
    57.75x = 104 × 104
  4. Step 4: Simplify right side
    57.75x = 10,816
  5. Step 5: Solve for x
    x = 10,816/57.75
  6. Step 6: Final answer
    x = 187.29

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Why These Related Problems?

These problems maintain the same ratio (1.80) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.