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Finding the Third Proportional to 4,743 and 9,789.75

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Solution

The third proportional to 4,743 and 9,789.75 is: 20,206.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,743 : 9,789.75 = 9,789.75 : x
  2. Step 2: Convert to fraction form
    4,743/9,789.75 = 9,789.75/x
  3. Step 3: Cross multiply
    4,743x = 9,789.75 × 9,789.75
  4. Step 4: Simplify right side
    4,743x = 95,839,205.06
  5. Step 5: Solve for x
    x = 95,839,205.06/4,743
  6. Step 6: Final answer
    x = 20,206.45

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Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.