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Finding the Third Proportional to 40,958 and 86,286

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Solution

The third proportional to 40,958 and 86,286 is: 181,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,958 : 86,286 = 86,286 : x
  2. Step 2: Convert to fraction form
    40,958/86,286 = 86,286/x
  3. Step 3: Cross multiply
    40,958x = 86,286 × 86,286
  4. Step 4: Simplify right side
    40,958x = 7,445,273,796
  5. Step 5: Solve for x
    x = 7,445,273,796/40,958
  6. Step 6: Final answer
    x = 181,778.26

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Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.