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Finding the Third Proportional to 3,863.25 and 5,812.88

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Solution

The third proportional to 3,863.25 and 5,812.88 is: 8,746.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.25 : 5,812.88 = 5,812.88 : x
  2. Step 2: Convert to fraction form
    3,863.25/5,812.88 = 5,812.88/x
  3. Step 3: Cross multiply
    3,863.25x = 5,812.88 × 5,812.88
  4. Step 4: Simplify right side
    3,863.25x = 33,789,515.77
  5. Step 5: Solve for x
    x = 33,789,515.77/3,863.25
  6. Step 6: Final answer
    x = 8,746.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.