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Finding the Third Proportional to 16,806 and 36,685

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Solution

The third proportional to 16,806 and 36,685 is: 80,077.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,806 : 36,685 = 36,685 : x
  2. Step 2: Convert to fraction form
    16,806/36,685 = 36,685/x
  3. Step 3: Cross multiply
    16,806x = 36,685 × 36,685
  4. Step 4: Simplify right side
    16,806x = 1,345,789,225
  5. Step 5: Solve for x
    x = 1,345,789,225/16,806
  6. Step 6: Final answer
    x = 80,077.90

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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.