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Finding the Third Proportional to 2,787.94 and 3,699.38

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Solution

The third proportional to 2,787.94 and 3,699.38 is: 4,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787.94 : 3,699.38 = 3,699.38 : x
  2. Step 2: Convert to fraction form
    2,787.94/3,699.38 = 3,699.38/x
  3. Step 3: Cross multiply
    2,787.94x = 3,699.38 × 3,699.38
  4. Step 4: Simplify right side
    2,787.94x = 13,685,375.39
  5. Step 5: Solve for x
    x = 13,685,375.39/2,787.94
  6. Step 6: Final answer
    x = 4,908.78

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These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.