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Finding the Third Proportional to 855,916 and 1,324,632

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Solution

The third proportional to 855,916 and 1,324,632 is: 2,050,025.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,916 : 1,324,632 = 1,324,632 : x
  2. Step 2: Convert to fraction form
    855,916/1,324,632 = 1,324,632/x
  3. Step 3: Cross multiply
    855,916x = 1,324,632 × 1,324,632
  4. Step 4: Simplify right side
    855,916x = 1,754,649,935,424
  5. Step 5: Solve for x
    x = 1,754,649,935,424/855,916
  6. Step 6: Final answer
    x = 2,050,025.86

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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.