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Finding the Third Proportional to 83,212 and 181,975

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Solution

The third proportional to 83,212 and 181,975 is: 397,958.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,212 : 181,975 = 181,975 : x
  2. Step 2: Convert to fraction form
    83,212/181,975 = 181,975/x
  3. Step 3: Cross multiply
    83,212x = 181,975 × 181,975
  4. Step 4: Simplify right side
    83,212x = 33,114,900,625
  5. Step 5: Solve for x
    x = 33,114,900,625/83,212
  6. Step 6: Final answer
    x = 397,958.23

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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.