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Finding the Third Proportional to 5,212 and 6,698

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Solution

The third proportional to 5,212 and 6,698 is: 8,607.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212 : 6,698 = 6,698 : x
  2. Step 2: Convert to fraction form
    5,212/6,698 = 6,698/x
  3. Step 3: Cross multiply
    5,212x = 6,698 × 6,698
  4. Step 4: Simplify right side
    5,212x = 44,863,204
  5. Step 5: Solve for x
    x = 44,863,204/5,212
  6. Step 6: Final answer
    x = 8,607.68

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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.