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Finding the Third Proportional to 214,606 and 339,743

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Solution

The third proportional to 214,606 and 339,743 is: 537,847.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,606 : 339,743 = 339,743 : x
  2. Step 2: Convert to fraction form
    214,606/339,743 = 339,743/x
  3. Step 3: Cross multiply
    214,606x = 339,743 × 339,743
  4. Step 4: Simplify right side
    214,606x = 115,425,306,049
  5. Step 5: Solve for x
    x = 115,425,306,049/214,606
  6. Step 6: Final answer
    x = 537,847.53

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.