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Finding the Third Proportional to 222,066 and 488,418.75

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Solution

The third proportional to 222,066 and 488,418.75 is: 1,074,243.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,066 : 488,418.75 = 488,418.75 : x
  2. Step 2: Convert to fraction form
    222,066/488,418.75 = 488,418.75/x
  3. Step 3: Cross multiply
    222,066x = 488,418.75 × 488,418.75
  4. Step 4: Simplify right side
    222,066x = 238,552,875,351.56
  5. Step 5: Solve for x
    x = 238,552,875,351.56/222,066
  6. Step 6: Final answer
    x = 1,074,243.13

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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.