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Finding the Third Proportional to 16,219 and 34,939

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Solution

The third proportional to 16,219 and 34,939 is: 75,265.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219 : 34,939 = 34,939 : x
  2. Step 2: Convert to fraction form
    16,219/34,939 = 34,939/x
  3. Step 3: Cross multiply
    16,219x = 34,939 × 34,939
  4. Step 4: Simplify right side
    16,219x = 1,220,733,721
  5. Step 5: Solve for x
    x = 1,220,733,721/16,219
  6. Step 6: Final answer
    x = 75,265.66

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.