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Finding the Third Proportional to 3,895.88 and 8,766

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Solution

The third proportional to 3,895.88 and 8,766 is: 19,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,895.88 : 8,766 = 8,766 : x
  2. Step 2: Convert to fraction form
    3,895.88/8,766 = 8,766/x
  3. Step 3: Cross multiply
    3,895.88x = 8,766 × 8,766
  4. Step 4: Simplify right side
    3,895.88x = 76,842,756
  5. Step 5: Solve for x
    x = 76,842,756/3,895.88
  6. Step 6: Final answer
    x = 19,724.13

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Why These Related Problems?

These problems maintain the same ratio (2.25) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.