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Finding the Third Proportional to 66 and 95

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Solution

The third proportional to 66 and 95 is: 136.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66 : 95 = 95 : x
  2. Step 2: Convert to fraction form
    66/95 = 95/x
  3. Step 3: Cross multiply
    66x = 95 × 95
  4. Step 4: Simplify right side
    66x = 9,025
  5. Step 5: Solve for x
    x = 9,025/66
  6. Step 6: Final answer
    x = 136.74

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.