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Finding the Third Proportional to 107 and 188.75

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Solution

The third proportional to 107 and 188.75 is: 332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    107 : 188.75 = 188.75 : x
  2. Step 2: Convert to fraction form
    107/188.75 = 188.75/x
  3. Step 3: Cross multiply
    107x = 188.75 × 188.75
  4. Step 4: Simplify right side
    107x = 35,626.56
  5. Step 5: Solve for x
    x = 35,626.56/107
  6. Step 6: Final answer
    x = 332.96

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Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.