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Finding the Third Proportional to 7,694 and 12,275

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Solution

The third proportional to 7,694 and 12,275 is: 19,583.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,694 : 12,275 = 12,275 : x
  2. Step 2: Convert to fraction form
    7,694/12,275 = 12,275/x
  3. Step 3: Cross multiply
    7,694x = 12,275 × 12,275
  4. Step 4: Simplify right side
    7,694x = 150,675,625
  5. Step 5: Solve for x
    x = 150,675,625/7,694
  6. Step 6: Final answer
    x = 19,583.52

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Why These Related Problems?

These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.