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Finding the Third Proportional to 8,395 and 12,698

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Solution

The third proportional to 8,395 and 12,698 is: 19,206.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,395 : 12,698 = 12,698 : x
  2. Step 2: Convert to fraction form
    8,395/12,698 = 12,698/x
  3. Step 3: Cross multiply
    8,395x = 12,698 × 12,698
  4. Step 4: Simplify right side
    8,395x = 161,239,204
  5. Step 5: Solve for x
    x = 161,239,204/8,395
  6. Step 6: Final answer
    x = 19,206.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.