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Finding the Third Proportional to 104,028.50 and 225,690

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Solution

The third proportional to 104,028.50 and 225,690 is: 489,634.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,028.50 : 225,690 = 225,690 : x
  2. Step 2: Convert to fraction form
    104,028.50/225,690 = 225,690/x
  3. Step 3: Cross multiply
    104,028.50x = 225,690 × 225,690
  4. Step 4: Simplify right side
    104,028.50x = 50,935,976,100
  5. Step 5: Solve for x
    x = 50,935,976,100/104,028.50
  6. Step 6: Final answer
    x = 489,634.82

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.