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Finding the Third Proportional to 3,912 and 8,304

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Solution

The third proportional to 3,912 and 8,304 is: 17,626.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912 : 8,304 = 8,304 : x
  2. Step 2: Convert to fraction form
    3,912/8,304 = 8,304/x
  3. Step 3: Cross multiply
    3,912x = 8,304 × 8,304
  4. Step 4: Simplify right side
    3,912x = 68,956,416
  5. Step 5: Solve for x
    x = 68,956,416/3,912
  6. Step 6: Final answer
    x = 17,626.90

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.