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Finding the Third Proportional to 766.97 and 1,942.73

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Solution

The third proportional to 766.97 and 1,942.73 is: 4,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    766.97 : 1,942.73 = 1,942.73 : x
  2. Step 2: Convert to fraction form
    766.97/1,942.73 = 1,942.73/x
  3. Step 3: Cross multiply
    766.97x = 1,942.73 × 1,942.73
  4. Step 4: Simplify right side
    766.97x = 3,774,216.85
  5. Step 5: Solve for x
    x = 3,774,216.85/766.97
  6. Step 6: Final answer
    x = 4,920.95

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Why These Related Problems?

These problems maintain the same ratio (2.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.