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Finding the Third Proportional to 16,811 and 36,579

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Solution

The third proportional to 16,811 and 36,579 is: 79,592.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,811 : 36,579 = 36,579 : x
  2. Step 2: Convert to fraction form
    16,811/36,579 = 36,579/x
  3. Step 3: Cross multiply
    16,811x = 36,579 × 36,579
  4. Step 4: Simplify right side
    16,811x = 1,338,023,241
  5. Step 5: Solve for x
    x = 1,338,023,241/16,811
  6. Step 6: Final answer
    x = 79,592.13

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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.