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Finding the Third Proportional to 18,449.25 and 27,893.25

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Solution

The third proportional to 18,449.25 and 27,893.25 is: 42,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,449.25 : 27,893.25 = 27,893.25 : x
  2. Step 2: Convert to fraction form
    18,449.25/27,893.25 = 27,893.25/x
  3. Step 3: Cross multiply
    18,449.25x = 27,893.25 × 27,893.25
  4. Step 4: Simplify right side
    18,449.25x = 778,033,395.56
  5. Step 5: Solve for x
    x = 778,033,395.56/18,449.25
  6. Step 6: Final answer
    x = 42,171.55

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.