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Finding the Third Proportional to 19,865 and 27,844

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Solution

The third proportional to 19,865 and 27,844 is: 39,027.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,865 : 27,844 = 27,844 : x
  2. Step 2: Convert to fraction form
    19,865/27,844 = 27,844/x
  3. Step 3: Cross multiply
    19,865x = 27,844 × 27,844
  4. Step 4: Simplify right side
    19,865x = 775,288,336
  5. Step 5: Solve for x
    x = 775,288,336/19,865
  6. Step 6: Final answer
    x = 39,027.85

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.