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Finding the Third Proportional to 106,396 and 231,691

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Solution

The third proportional to 106,396 and 231,691 is: 504,537.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,396 : 231,691 = 231,691 : x
  2. Step 2: Convert to fraction form
    106,396/231,691 = 231,691/x
  3. Step 3: Cross multiply
    106,396x = 231,691 × 231,691
  4. Step 4: Simplify right side
    106,396x = 53,680,719,481
  5. Step 5: Solve for x
    x = 53,680,719,481/106,396
  6. Step 6: Final answer
    x = 504,537.01

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.