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Finding the Third Proportional to 855,842 and 1,324,504

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Solution

The third proportional to 855,842 and 1,324,504 is: 2,049,806.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,842 : 1,324,504 = 1,324,504 : x
  2. Step 2: Convert to fraction form
    855,842/1,324,504 = 1,324,504/x
  3. Step 3: Cross multiply
    855,842x = 1,324,504 × 1,324,504
  4. Step 4: Simplify right side
    855,842x = 1,754,310,846,016
  5. Step 5: Solve for x
    x = 1,754,310,846,016/855,842
  6. Step 6: Final answer
    x = 2,049,806.91

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.