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Finding the Third Proportional to 6,867 and 11,049.75

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Solution

The third proportional to 6,867 and 11,049.75 is: 17,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867 : 11,049.75 = 11,049.75 : x
  2. Step 2: Convert to fraction form
    6,867/11,049.75 = 11,049.75/x
  3. Step 3: Cross multiply
    6,867x = 11,049.75 × 11,049.75
  4. Step 4: Simplify right side
    6,867x = 122,096,975.06
  5. Step 5: Solve for x
    x = 122,096,975.06/6,867
  6. Step 6: Final answer
    x = 17,780.25

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Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.