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Finding the Third Proportional to 467,613 and 990,873

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Solution

The third proportional to 467,613 and 990,873 is: 2,099,662.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,613 : 990,873 = 990,873 : x
  2. Step 2: Convert to fraction form
    467,613/990,873 = 990,873/x
  3. Step 3: Cross multiply
    467,613x = 990,873 × 990,873
  4. Step 4: Simplify right side
    467,613x = 981,829,302,129
  5. Step 5: Solve for x
    x = 981,829,302,129/467,613
  6. Step 6: Final answer
    x = 2,099,662.12

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.