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Finding the Third Proportional to 104,239.50 and 203,295

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Solution

The third proportional to 104,239.50 and 203,295 is: 396,479.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,239.50 : 203,295 = 203,295 : x
  2. Step 2: Convert to fraction form
    104,239.50/203,295 = 203,295/x
  3. Step 3: Cross multiply
    104,239.50x = 203,295 × 203,295
  4. Step 4: Simplify right side
    104,239.50x = 41,328,857,025
  5. Step 5: Solve for x
    x = 41,328,857,025/104,239.50
  6. Step 6: Final answer
    x = 396,479.81

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Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.