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Finding the Third Proportional to 2,751.75 and 6,843.38

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Solution

The third proportional to 2,751.75 and 6,843.38 is: 17,018.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.75 : 6,843.38 = 6,843.38 : x
  2. Step 2: Convert to fraction form
    2,751.75/6,843.38 = 6,843.38/x
  3. Step 3: Cross multiply
    2,751.75x = 6,843.38 × 6,843.38
  4. Step 4: Simplify right side
    2,751.75x = 46,831,781.39
  5. Step 5: Solve for x
    x = 46,831,781.39/2,751.75
  6. Step 6: Final answer
    x = 17,018.91

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Why These Related Problems?

These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.