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Finding the Third Proportional to 11,758 and 18,744

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Solution

The third proportional to 11,758 and 18,744 is: 29,880.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,758 : 18,744 = 18,744 : x
  2. Step 2: Convert to fraction form
    11,758/18,744 = 18,744/x
  3. Step 3: Cross multiply
    11,758x = 18,744 × 18,744
  4. Step 4: Simplify right side
    11,758x = 351,337,536
  5. Step 5: Solve for x
    x = 351,337,536/11,758
  6. Step 6: Final answer
    x = 29,880.72

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.