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Finding the Third Proportional to 4,221.56 and 9,772.97

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Solution

The third proportional to 4,221.56 and 9,772.97 is: 22,624.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.56 : 9,772.97 = 9,772.97 : x
  2. Step 2: Convert to fraction form
    4,221.56/9,772.97 = 9,772.97/x
  3. Step 3: Cross multiply
    4,221.56x = 9,772.97 × 9,772.97
  4. Step 4: Simplify right side
    4,221.56x = 95,510,918.19
  5. Step 5: Solve for x
    x = 95,510,918.19/4,221.56
  6. Step 6: Final answer
    x = 22,624.54

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Why These Related Problems?

These problems maintain the same ratio (2.32) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.