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Finding the Third Proportional to 226,309 and 471,212

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Solution

The third proportional to 226,309 and 471,212 is: 981,139.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,309 : 471,212 = 471,212 : x
  2. Step 2: Convert to fraction form
    226,309/471,212 = 471,212/x
  3. Step 3: Cross multiply
    226,309x = 471,212 × 471,212
  4. Step 4: Simplify right side
    226,309x = 222,040,748,944
  5. Step 5: Solve for x
    x = 222,040,748,944/226,309
  6. Step 6: Final answer
    x = 981,139.72

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.