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Finding the Third Proportional to 36,401 and 75,916

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Solution

The third proportional to 36,401 and 75,916 is: 158,326.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,401 : 75,916 = 75,916 : x
  2. Step 2: Convert to fraction form
    36,401/75,916 = 75,916/x
  3. Step 3: Cross multiply
    36,401x = 75,916 × 75,916
  4. Step 4: Simplify right side
    36,401x = 5,763,239,056
  5. Step 5: Solve for x
    x = 5,763,239,056/36,401
  6. Step 6: Final answer
    x = 158,326.39

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Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.