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Finding the Third Proportional to 4,084.75 and 8,956.75

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Solution

The third proportional to 4,084.75 and 8,956.75 is: 19,639.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.75 : 8,956.75 = 8,956.75 : x
  2. Step 2: Convert to fraction form
    4,084.75/8,956.75 = 8,956.75/x
  3. Step 3: Cross multiply
    4,084.75x = 8,956.75 × 8,956.75
  4. Step 4: Simplify right side
    4,084.75x = 80,223,370.56
  5. Step 5: Solve for x
    x = 80,223,370.56/4,084.75
  6. Step 6: Final answer
    x = 19,639.73

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.