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Finding the Third Proportional to 323,676.75 and 490,013.25

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Solution

The third proportional to 323,676.75 and 490,013.25 is: 741,829.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,676.75 : 490,013.25 = 490,013.25 : x
  2. Step 2: Convert to fraction form
    323,676.75/490,013.25 = 490,013.25/x
  3. Step 3: Cross multiply
    323,676.75x = 490,013.25 × 490,013.25
  4. Step 4: Simplify right side
    323,676.75x = 240,112,985,175.56
  5. Step 5: Solve for x
    x = 240,112,985,175.56/323,676.75
  6. Step 6: Final answer
    x = 741,829.57

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.