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Finding the Third Proportional to 6,603.75 and 11,743.88

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Solution

The third proportional to 6,603.75 and 11,743.88 is: 20,884.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.75 : 11,743.88 = 11,743.88 : x
  2. Step 2: Convert to fraction form
    6,603.75/11,743.88 = 11,743.88/x
  3. Step 3: Cross multiply
    6,603.75x = 11,743.88 × 11,743.88
  4. Step 4: Simplify right side
    6,603.75x = 137,918,600.02
  5. Step 5: Solve for x
    x = 137,918,600.02/6,603.75
  6. Step 6: Final answer
    x = 20,884.89

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Why These Related Problems?

These problems maintain the same ratio (1.78) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.