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Finding the Third Proportional to 404,139.75 and 673,536.75

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Solution

The third proportional to 404,139.75 and 673,536.75 is: 1,122,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,139.75 : 673,536.75 = 673,536.75 : x
  2. Step 2: Convert to fraction form
    404,139.75/673,536.75 = 673,536.75/x
  3. Step 3: Cross multiply
    404,139.75x = 673,536.75 × 673,536.75
  4. Step 4: Simplify right side
    404,139.75x = 453,651,753,600.56
  5. Step 5: Solve for x
    x = 453,651,753,600.56/404,139.75
  6. Step 6: Final answer
    x = 1,122,512.09

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These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.