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Finding the Third Proportional to 960.75 and 1,660.50

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Solution

The third proportional to 960.75 and 1,660.50 is: 2,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    960.75 : 1,660.50 = 1,660.50 : x
  2. Step 2: Convert to fraction form
    960.75/1,660.50 = 1,660.50/x
  3. Step 3: Cross multiply
    960.75x = 1,660.50 × 1,660.50
  4. Step 4: Simplify right side
    960.75x = 2,757,260.25
  5. Step 5: Solve for x
    x = 2,757,260.25/960.75
  6. Step 6: Final answer
    x = 2,869.90

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Why These Related Problems?

These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.