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Finding the Third Proportional to 644,861.25 and 1,384,857

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Solution

The third proportional to 644,861.25 and 1,384,857 is: 2,974,017.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,861.25 : 1,384,857 = 1,384,857 : x
  2. Step 2: Convert to fraction form
    644,861.25/1,384,857 = 1,384,857/x
  3. Step 3: Cross multiply
    644,861.25x = 1,384,857 × 1,384,857
  4. Step 4: Simplify right side
    644,861.25x = 1,917,828,910,449
  5. Step 5: Solve for x
    x = 1,917,828,910,449/644,861.25
  6. Step 6: Final answer
    x = 2,974,017.92

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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.