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Finding the Third Proportional to 323,784 and 673,353

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Solution

The third proportional to 323,784 and 673,353 is: 1,400,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,784 : 673,353 = 673,353 : x
  2. Step 2: Convert to fraction form
    323,784/673,353 = 673,353/x
  3. Step 3: Cross multiply
    323,784x = 673,353 × 673,353
  4. Step 4: Simplify right side
    323,784x = 453,404,262,609
  5. Step 5: Solve for x
    x = 453,404,262,609/323,784
  6. Step 6: Final answer
    x = 1,400,329.43

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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.