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Finding the Third Proportional to 766.97 and 1,216.27

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Solution

The third proportional to 766.97 and 1,216.27 is: 1,928.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    766.97 : 1,216.27 = 1,216.27 : x
  2. Step 2: Convert to fraction form
    766.97/1,216.27 = 1,216.27/x
  3. Step 3: Cross multiply
    766.97x = 1,216.27 × 1,216.27
  4. Step 4: Simplify right side
    766.97x = 1,479,302.07
  5. Step 5: Solve for x
    x = 1,479,302.07/766.97
  6. Step 6: Final answer
    x = 1,928.76

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.