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Finding the Third Proportional to 104,367 and 225,405

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Solution

The third proportional to 104,367 and 225,405 is: 486,814.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,367 : 225,405 = 225,405 : x
  2. Step 2: Convert to fraction form
    104,367/225,405 = 225,405/x
  3. Step 3: Cross multiply
    104,367x = 225,405 × 225,405
  4. Step 4: Simplify right side
    104,367x = 50,807,414,025
  5. Step 5: Solve for x
    x = 50,807,414,025/104,367
  6. Step 6: Final answer
    x = 486,814.93

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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.