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Finding the Third Proportional to 79,941 and 115,491

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Solution

The third proportional to 79,941 and 115,491 is: 166,850.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,941 : 115,491 = 115,491 : x
  2. Step 2: Convert to fraction form
    79,941/115,491 = 115,491/x
  3. Step 3: Cross multiply
    79,941x = 115,491 × 115,491
  4. Step 4: Simplify right side
    79,941x = 13,338,171,081
  5. Step 5: Solve for x
    x = 13,338,171,081/79,941
  6. Step 6: Final answer
    x = 166,850.19

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Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.