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Finding the Third Proportional to 812,180 and 1,190,568

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Solution

The third proportional to 812,180 and 1,190,568 is: 1,745,243.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,180 : 1,190,568 = 1,190,568 : x
  2. Step 2: Convert to fraction form
    812,180/1,190,568 = 1,190,568/x
  3. Step 3: Cross multiply
    812,180x = 1,190,568 × 1,190,568
  4. Step 4: Simplify right side
    812,180x = 1,417,452,162,624
  5. Step 5: Solve for x
    x = 1,417,452,162,624/812,180
  6. Step 6: Final answer
    x = 1,745,243.87

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Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.