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Finding the Third Proportional to 759.38 and 1,142.44

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Solution

The third proportional to 759.38 and 1,142.44 is: 1,718.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    759.38 : 1,142.44 = 1,142.44 : x
  2. Step 2: Convert to fraction form
    759.38/1,142.44 = 1,142.44/x
  3. Step 3: Cross multiply
    759.38x = 1,142.44 × 1,142.44
  4. Step 4: Simplify right side
    759.38x = 1,305,163.44
  5. Step 5: Solve for x
    x = 1,305,163.44/759.38
  6. Step 6: Final answer
    x = 1,718.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.