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Finding the Third Proportional to 7,736 and 18,512

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Solution

The third proportional to 7,736 and 18,512 is: 44,298.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,736 : 18,512 = 18,512 : x
  2. Step 2: Convert to fraction form
    7,736/18,512 = 18,512/x
  3. Step 3: Cross multiply
    7,736x = 18,512 × 18,512
  4. Step 4: Simplify right side
    7,736x = 342,694,144
  5. Step 5: Solve for x
    x = 342,694,144/7,736
  6. Step 6: Final answer
    x = 44,298.62

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Why These Related Problems?

These problems maintain the same ratio (2.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.