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Finding the Third Proportional to 17,808.47 and 28,198.97

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Solution

The third proportional to 17,808.47 and 28,198.97 is: 44,651.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,808.47 : 28,198.97 = 28,198.97 : x
  2. Step 2: Convert to fraction form
    17,808.47/28,198.97 = 28,198.97/x
  3. Step 3: Cross multiply
    17,808.47x = 28,198.97 × 28,198.97
  4. Step 4: Simplify right side
    17,808.47x = 795,181,838.56
  5. Step 5: Solve for x
    x = 795,181,838.56/17,808.47
  6. Step 6: Final answer
    x = 44,651.89

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Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.