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Finding the Third Proportional to 422,734 and 996,900

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Solution

The third proportional to 422,734 and 996,900 is: 2,350,910.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,734 : 996,900 = 996,900 : x
  2. Step 2: Convert to fraction form
    422,734/996,900 = 996,900/x
  3. Step 3: Cross multiply
    422,734x = 996,900 × 996,900
  4. Step 4: Simplify right side
    422,734x = 993,809,610,000
  5. Step 5: Solve for x
    x = 993,809,610,000/422,734
  6. Step 6: Final answer
    x = 2,350,910.05

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Why These Related Problems?

These problems maintain the same ratio (2.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.