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Finding the Third Proportional to 214,524 and 321,372

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Solution

The third proportional to 214,524 and 321,372 is: 481,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,524 : 321,372 = 321,372 : x
  2. Step 2: Convert to fraction form
    214,524/321,372 = 321,372/x
  3. Step 3: Cross multiply
    214,524x = 321,372 × 321,372
  4. Step 4: Simplify right side
    214,524x = 103,279,962,384
  5. Step 5: Solve for x
    x = 103,279,962,384/214,524
  6. Step 6: Final answer
    x = 481,437.80

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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.