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Finding the Third Proportional to 3,864 and 8,895

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Solution

The third proportional to 3,864 and 8,895 is: 20,476.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,864 : 8,895 = 8,895 : x
  2. Step 2: Convert to fraction form
    3,864/8,895 = 8,895/x
  3. Step 3: Cross multiply
    3,864x = 8,895 × 8,895
  4. Step 4: Simplify right side
    3,864x = 79,121,025
  5. Step 5: Solve for x
    x = 79,121,025/3,864
  6. Step 6: Final answer
    x = 20,476.46

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Why These Related Problems?

These problems maintain the same ratio (2.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.