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Finding the Third Proportional to 1,382.48 and 2,997.84

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Solution

The third proportional to 1,382.48 and 2,997.84 is: 6,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382.48 : 2,997.84 = 2,997.84 : x
  2. Step 2: Convert to fraction form
    1,382.48/2,997.84 = 2,997.84/x
  3. Step 3: Cross multiply
    1,382.48x = 2,997.84 × 2,997.84
  4. Step 4: Simplify right side
    1,382.48x = 8,987,067.15
  5. Step 5: Solve for x
    x = 8,987,067.15/1,382.48
  6. Step 6: Final answer
    x = 6,500.66

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.