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Finding the Third Proportional to 996,954 and 2,162,172

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Solution

The third proportional to 996,954 and 2,162,172 is: 4,689,271.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,954 : 2,162,172 = 2,162,172 : x
  2. Step 2: Convert to fraction form
    996,954/2,162,172 = 2,162,172/x
  3. Step 3: Cross multiply
    996,954x = 2,162,172 × 2,162,172
  4. Step 4: Simplify right side
    996,954x = 4,674,987,757,584
  5. Step 5: Solve for x
    x = 4,674,987,757,584/996,954
  6. Step 6: Final answer
    x = 4,689,271.28

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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.