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Finding the Third Proportional to 222,243 and 488,982

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Solution

The third proportional to 222,243 and 488,982 is: 1,075,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,243 : 488,982 = 488,982 : x
  2. Step 2: Convert to fraction form
    222,243/488,982 = 488,982/x
  3. Step 3: Cross multiply
    222,243x = 488,982 × 488,982
  4. Step 4: Simplify right side
    222,243x = 239,103,396,324
  5. Step 5: Solve for x
    x = 239,103,396,324/222,243
  6. Step 6: Final answer
    x = 1,075,864.69

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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.