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Finding the Third Proportional to 20,601 and 36,811.13

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Solution

The third proportional to 20,601 and 36,811.13 is: 65,776.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,601 : 36,811.13 = 36,811.13 : x
  2. Step 2: Convert to fraction form
    20,601/36,811.13 = 36,811.13/x
  3. Step 3: Cross multiply
    20,601x = 36,811.13 × 36,811.13
  4. Step 4: Simplify right side
    20,601x = 1,355,058,923.77
  5. Step 5: Solve for x
    x = 1,355,058,923.77/20,601
  6. Step 6: Final answer
    x = 65,776.37

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.