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Finding the Third Proportional to 40,115 and 87,844

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Solution

The third proportional to 40,115 and 87,844 is: 192,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,115 : 87,844 = 87,844 : x
  2. Step 2: Convert to fraction form
    40,115/87,844 = 87,844/x
  3. Step 3: Cross multiply
    40,115x = 87,844 × 87,844
  4. Step 4: Simplify right side
    40,115x = 7,716,568,336
  5. Step 5: Solve for x
    x = 7,716,568,336/40,115
  6. Step 6: Final answer
    x = 192,361.17

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.