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Finding the Third Proportional to 33 and 66

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Solution

The third proportional to 33 and 66 is: 132

Step by Step Solution

  1. Step 1: Write the proportion equation
    33 : 66 = 66 : x
  2. Step 2: Convert to fraction form
    33/66 = 66/x
  3. Step 3: Cross multiply
    33x = 66 × 66
  4. Step 4: Simplify right side
    33x = 4,356
  5. Step 5: Solve for x
    x = 4,356/33
  6. Step 6: Final answer
    x = 132

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Why These Related Problems?

These problems maintain the same ratio (2) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.