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Finding the Third Proportional to 996,917 and 2,186,837

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Solution

The third proportional to 996,917 and 2,186,837 is: 4,797,045.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,917 : 2,186,837 = 2,186,837 : x
  2. Step 2: Convert to fraction form
    996,917/2,186,837 = 2,186,837/x
  3. Step 3: Cross multiply
    996,917x = 2,186,837 × 2,186,837
  4. Step 4: Simplify right side
    996,917x = 4,782,256,064,569
  5. Step 5: Solve for x
    x = 4,782,256,064,569/996,917
  6. Step 6: Final answer
    x = 4,797,045.36

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.