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Finding the Third Proportional to 3,108 and 5,904

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Solution

The third proportional to 3,108 and 5,904 is: 11,215.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,108 : 5,904 = 5,904 : x
  2. Step 2: Convert to fraction form
    3,108/5,904 = 5,904/x
  3. Step 3: Cross multiply
    3,108x = 5,904 × 5,904
  4. Step 4: Simplify right side
    3,108x = 34,857,216
  5. Step 5: Solve for x
    x = 34,857,216/3,108
  6. Step 6: Final answer
    x = 11,215.32

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Why These Related Problems?

These problems maintain the same ratio (1.90) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.