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Finding the Third Proportional to 1,305.07 and 2,738.29

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Solution

The third proportional to 1,305.07 and 2,738.29 is: 5,745.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305.07 : 2,738.29 = 2,738.29 : x
  2. Step 2: Convert to fraction form
    1,305.07/2,738.29 = 2,738.29/x
  3. Step 3: Cross multiply
    1,305.07x = 2,738.29 × 2,738.29
  4. Step 4: Simplify right side
    1,305.07x = 7,498,205.60
  5. Step 5: Solve for x
    x = 7,498,205.60/1,305.07
  6. Step 6: Final answer
    x = 5,745.44

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These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.