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Finding the Third Proportional to 453,921 and 682,839

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Solution

The third proportional to 453,921 and 682,839 is: 1,027,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,921 : 682,839 = 682,839 : x
  2. Step 2: Convert to fraction form
    453,921/682,839 = 682,839/x
  3. Step 3: Cross multiply
    453,921x = 682,839 × 682,839
  4. Step 4: Simplify right side
    453,921x = 466,269,099,921
  5. Step 5: Solve for x
    x = 466,269,099,921/453,921
  6. Step 6: Final answer
    x = 1,027,203.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.