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Finding the Third Proportional to 7,825 and 11,698

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Solution

The third proportional to 7,825 and 11,698 is: 17,487.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825 : 11,698 = 11,698 : x
  2. Step 2: Convert to fraction form
    7,825/11,698 = 11,698/x
  3. Step 3: Cross multiply
    7,825x = 11,698 × 11,698
  4. Step 4: Simplify right side
    7,825x = 136,843,204
  5. Step 5: Solve for x
    x = 136,843,204/7,825
  6. Step 6: Final answer
    x = 17,487.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.