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Finding the Third Proportional to 8,188.59 and 18,017.44

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Solution

The third proportional to 8,188.59 and 18,017.44 is: 39,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.59 : 18,017.44 = 18,017.44 : x
  2. Step 2: Convert to fraction form
    8,188.59/18,017.44 = 18,017.44/x
  3. Step 3: Cross multiply
    8,188.59x = 18,017.44 × 18,017.44
  4. Step 4: Simplify right side
    8,188.59x = 324,628,054.07
  5. Step 5: Solve for x
    x = 324,628,054.07/8,188.59
  6. Step 6: Final answer
    x = 39,643.93

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.