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Finding the Third Proportional to 136.69 and 201.66

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Solution

The third proportional to 136.69 and 201.66 is: 297.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    136.69 : 201.66 = 201.66 : x
  2. Step 2: Convert to fraction form
    136.69/201.66 = 201.66/x
  3. Step 3: Cross multiply
    136.69x = 201.66 × 201.66
  4. Step 4: Simplify right side
    136.69x = 40,665.24
  5. Step 5: Solve for x
    x = 40,665.24/136.69
  6. Step 6: Final answer
    x = 297.51

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These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.