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Finding the Third Proportional to 806,579 and 1,238,067

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Solution

The third proportional to 806,579 and 1,238,067 is: 1,900,384.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,579 : 1,238,067 = 1,238,067 : x
  2. Step 2: Convert to fraction form
    806,579/1,238,067 = 1,238,067/x
  3. Step 3: Cross multiply
    806,579x = 1,238,067 × 1,238,067
  4. Step 4: Simplify right side
    806,579x = 1,532,809,896,489
  5. Step 5: Solve for x
    x = 1,532,809,896,489/806,579
  6. Step 6: Final answer
    x = 1,900,384.09

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.