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Finding the Third Proportional to 4,285.88 and 6,474.56

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Solution

The third proportional to 4,285.88 and 6,474.56 is: 9,780.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,285.88 : 6,474.56 = 6,474.56 : x
  2. Step 2: Convert to fraction form
    4,285.88/6,474.56 = 6,474.56/x
  3. Step 3: Cross multiply
    4,285.88x = 6,474.56 × 6,474.56
  4. Step 4: Simplify right side
    4,285.88x = 41,919,959.57
  5. Step 5: Solve for x
    x = 41,919,959.57/4,285.88
  6. Step 6: Final answer
    x = 9,780.96

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.