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Finding the Third Proportional to 16,519 and 36,015

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Solution

The third proportional to 16,519 and 36,015 is: 78,520.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,519 : 36,015 = 36,015 : x
  2. Step 2: Convert to fraction form
    16,519/36,015 = 36,015/x
  3. Step 3: Cross multiply
    16,519x = 36,015 × 36,015
  4. Step 4: Simplify right side
    16,519x = 1,297,080,225
  5. Step 5: Solve for x
    x = 1,297,080,225/16,519
  6. Step 6: Final answer
    x = 78,520.51

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.