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Finding the Third Proportional to 33.19 and 48.66

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Solution

The third proportional to 33.19 and 48.66 is: 71.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33.19 : 48.66 = 48.66 : x
  2. Step 2: Convert to fraction form
    33.19/48.66 = 48.66/x
  3. Step 3: Cross multiply
    33.19x = 48.66 × 48.66
  4. Step 4: Simplify right side
    33.19x = 2,367.43
  5. Step 5: Solve for x
    x = 2,367.43/33.19
  6. Step 6: Final answer
    x = 71.34

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.