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Finding the Third Proportional to 33.38 and 63

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Solution

The third proportional to 33.38 and 63 is: 118.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.38 : 63 = 63 : x
  2. Step 2: Convert to fraction form
    33.38/63 = 63/x
  3. Step 3: Cross multiply
    33.38x = 63 × 63
  4. Step 4: Simplify right side
    33.38x = 3,969
  5. Step 5: Solve for x
    x = 3,969/33.38
  6. Step 6: Final answer
    x = 118.92

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Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.