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Finding the Third Proportional to 327,806 and 715,186

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Solution

The third proportional to 327,806 and 715,186 is: 1,560,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,806 : 715,186 = 715,186 : x
  2. Step 2: Convert to fraction form
    327,806/715,186 = 715,186/x
  3. Step 3: Cross multiply
    327,806x = 715,186 × 715,186
  4. Step 4: Simplify right side
    327,806x = 511,491,014,596
  5. Step 5: Solve for x
    x = 511,491,014,596/327,806
  6. Step 6: Final answer
    x = 1,560,346.71

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.