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Finding the Third Proportional to 1,325.11 and 2,710.97

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Solution

The third proportional to 1,325.11 and 2,710.97 is: 5,546.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,325.11 : 2,710.97 = 2,710.97 : x
  2. Step 2: Convert to fraction form
    1,325.11/2,710.97 = 2,710.97/x
  3. Step 3: Cross multiply
    1,325.11x = 2,710.97 × 2,710.97
  4. Step 4: Simplify right side
    1,325.11x = 7,349,351.56
  5. Step 5: Solve for x
    x = 7,349,351.56/1,325.11
  6. Step 6: Final answer
    x = 5,546.22

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Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.