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Finding the Third Proportional to 2,551.14 and 3,940.44

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Solution

The third proportional to 2,551.14 and 3,940.44 is: 6,086.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.14 : 3,940.44 = 3,940.44 : x
  2. Step 2: Convert to fraction form
    2,551.14/3,940.44 = 3,940.44/x
  3. Step 3: Cross multiply
    2,551.14x = 3,940.44 × 3,940.44
  4. Step 4: Simplify right side
    2,551.14x = 15,527,101.56
  5. Step 5: Solve for x
    x = 15,527,101.56/2,551.14
  6. Step 6: Final answer
    x = 6,086.33

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.