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Finding the Third Proportional to 12,198 and 16,959

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Solution

The third proportional to 12,198 and 16,959 is: 23,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,198 : 16,959 = 16,959 : x
  2. Step 2: Convert to fraction form
    12,198/16,959 = 16,959/x
  3. Step 3: Cross multiply
    12,198x = 16,959 × 16,959
  4. Step 4: Simplify right side
    12,198x = 287,607,681
  5. Step 5: Solve for x
    x = 287,607,681/12,198
  6. Step 6: Final answer
    x = 23,578.27

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.