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Finding the Third Proportional to 36,019 and 55,977

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Solution

The third proportional to 36,019 and 55,977 is: 86,993.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019 : 55,977 = 55,977 : x
  2. Step 2: Convert to fraction form
    36,019/55,977 = 55,977/x
  3. Step 3: Cross multiply
    36,019x = 55,977 × 55,977
  4. Step 4: Simplify right side
    36,019x = 3,133,424,529
  5. Step 5: Solve for x
    x = 3,133,424,529/36,019
  6. Step 6: Final answer
    x = 86,993.66

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.