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Finding the Third Proportional to 275,208.75 and 606,288.75

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Solution

The third proportional to 275,208.75 and 606,288.75 is: 1,335,662.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,208.75 : 606,288.75 = 606,288.75 : x
  2. Step 2: Convert to fraction form
    275,208.75/606,288.75 = 606,288.75/x
  3. Step 3: Cross multiply
    275,208.75x = 606,288.75 × 606,288.75
  4. Step 4: Simplify right side
    275,208.75x = 367,586,048,376.56
  5. Step 5: Solve for x
    x = 367,586,048,376.56/275,208.75
  6. Step 6: Final answer
    x = 1,335,662.65

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.