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Finding the Third Proportional to 996,556 and 2,161,916

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Solution

The third proportional to 996,556 and 2,161,916 is: 4,690,033.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,556 : 2,161,916 = 2,161,916 : x
  2. Step 2: Convert to fraction form
    996,556/2,161,916 = 2,161,916/x
  3. Step 3: Cross multiply
    996,556x = 2,161,916 × 2,161,916
  4. Step 4: Simplify right side
    996,556x = 4,673,880,791,056
  5. Step 5: Solve for x
    x = 4,673,880,791,056/996,556
  6. Step 6: Final answer
    x = 4,690,033.27

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.