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Finding the Third Proportional to 4,622.06 and 9,821.25

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Solution

The third proportional to 4,622.06 and 9,821.25 is: 20,868.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,622.06 : 9,821.25 = 9,821.25 : x
  2. Step 2: Convert to fraction form
    4,622.06/9,821.25 = 9,821.25/x
  3. Step 3: Cross multiply
    4,622.06x = 9,821.25 × 9,821.25
  4. Step 4: Simplify right side
    4,622.06x = 96,456,951.56
  5. Step 5: Solve for x
    x = 96,456,951.56/4,622.06
  6. Step 6: Final answer
    x = 20,868.81

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.