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Finding the Third Proportional to 2,996 and 3,855

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Solution

The third proportional to 2,996 and 3,855 is: 4,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996 : 3,855 = 3,855 : x
  2. Step 2: Convert to fraction form
    2,996/3,855 = 3,855/x
  3. Step 3: Cross multiply
    2,996x = 3,855 × 3,855
  4. Step 4: Simplify right side
    2,996x = 14,861,025
  5. Step 5: Solve for x
    x = 14,861,025/2,996
  6. Step 6: Final answer
    x = 4,960.29

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Why These Related Problems?

These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.