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Finding the Third Proportional to 6,858 and 14,812

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Solution

The third proportional to 6,858 and 14,812 is: 31,991.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858 : 14,812 = 14,812 : x
  2. Step 2: Convert to fraction form
    6,858/14,812 = 14,812/x
  3. Step 3: Cross multiply
    6,858x = 14,812 × 14,812
  4. Step 4: Simplify right side
    6,858x = 219,395,344
  5. Step 5: Solve for x
    x = 219,395,344/6,858
  6. Step 6: Final answer
    x = 31,991.16

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.