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Finding the Third Proportional to 2,604.38 and 3,906.84

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Solution

The third proportional to 2,604.38 and 3,906.84 is: 5,860.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,604.38 : 3,906.84 = 3,906.84 : x
  2. Step 2: Convert to fraction form
    2,604.38/3,906.84 = 3,906.84/x
  3. Step 3: Cross multiply
    2,604.38x = 3,906.84 × 3,906.84
  4. Step 4: Simplify right side
    2,604.38x = 15,263,428.09
  5. Step 5: Solve for x
    x = 15,263,428.09/2,604.38
  6. Step 6: Final answer
    x = 5,860.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.