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Finding the Third Proportional to 107,268.50 and 231,399

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Solution

The third proportional to 107,268.50 and 231,399 is: 499,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,268.50 : 231,399 = 231,399 : x
  2. Step 2: Convert to fraction form
    107,268.50/231,399 = 231,399/x
  3. Step 3: Cross multiply
    107,268.50x = 231,399 × 231,399
  4. Step 4: Simplify right side
    107,268.50x = 53,545,497,201
  5. Step 5: Solve for x
    x = 53,545,497,201/107,268.50
  6. Step 6: Final answer
    x = 499,172.61

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.