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Finding the Third Proportional to 9,744 and 11,208

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Solution

The third proportional to 9,744 and 11,208 is: 12,891.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,744 : 11,208 = 11,208 : x
  2. Step 2: Convert to fraction form
    9,744/11,208 = 11,208/x
  3. Step 3: Cross multiply
    9,744x = 11,208 × 11,208
  4. Step 4: Simplify right side
    9,744x = 125,619,264
  5. Step 5: Solve for x
    x = 125,619,264/9,744
  6. Step 6: Final answer
    x = 12,891.96

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Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.