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Finding the Third Proportional to 367,009 and 806,190

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Solution

The third proportional to 367,009 and 806,190 is: 1,770,916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,009 : 806,190 = 806,190 : x
  2. Step 2: Convert to fraction form
    367,009/806,190 = 806,190/x
  3. Step 3: Cross multiply
    367,009x = 806,190 × 806,190
  4. Step 4: Simplify right side
    367,009x = 649,942,316,100
  5. Step 5: Solve for x
    x = 649,942,316,100/367,009
  6. Step 6: Final answer
    x = 1,770,916.56

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.