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Finding the Third Proportional to 422,613 and 996,615

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Solution

The third proportional to 422,613 and 996,615 is: 2,350,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,613 : 996,615 = 996,615 : x
  2. Step 2: Convert to fraction form
    422,613/996,615 = 996,615/x
  3. Step 3: Cross multiply
    422,613x = 996,615 × 996,615
  4. Step 4: Simplify right side
    422,613x = 993,241,458,225
  5. Step 5: Solve for x
    x = 993,241,458,225/422,613
  6. Step 6: Final answer
    x = 2,350,238.77

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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.