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Finding the Third Proportional to 150,903 and 319,794.75

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Solution

The third proportional to 150,903 and 319,794.75 is: 677,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,903 : 319,794.75 = 319,794.75 : x
  2. Step 2: Convert to fraction form
    150,903/319,794.75 = 319,794.75/x
  3. Step 3: Cross multiply
    150,903x = 319,794.75 × 319,794.75
  4. Step 4: Simplify right side
    150,903x = 102,268,682,127.56
  5. Step 5: Solve for x
    x = 102,268,682,127.56/150,903
  6. Step 6: Final answer
    x = 677,711.39

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.