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Finding the Third Proportional to 461,337 and 998,489

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Solution

The third proportional to 461,337 and 998,489 is: 2,161,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,337 : 998,489 = 998,489 : x
  2. Step 2: Convert to fraction form
    461,337/998,489 = 998,489/x
  3. Step 3: Cross multiply
    461,337x = 998,489 × 998,489
  4. Step 4: Simplify right side
    461,337x = 996,980,283,121
  5. Step 5: Solve for x
    x = 996,980,283,121/461,337
  6. Step 6: Final answer
    x = 2,161,067.25

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.