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Finding the Third Proportional to 136.75 and 186

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Solution

The third proportional to 136.75 and 186 is: 252.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.75 : 186 = 186 : x
  2. Step 2: Convert to fraction form
    136.75/186 = 186/x
  3. Step 3: Cross multiply
    136.75x = 186 × 186
  4. Step 4: Simplify right side
    136.75x = 34,596
  5. Step 5: Solve for x
    x = 34,596/136.75
  6. Step 6: Final answer
    x = 252.99

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These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.