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Finding the Third Proportional to 3,393 and 8,170.50

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Solution

The third proportional to 3,393 and 8,170.50 is: 19,674.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,393 : 8,170.50 = 8,170.50 : x
  2. Step 2: Convert to fraction form
    3,393/8,170.50 = 8,170.50/x
  3. Step 3: Cross multiply
    3,393x = 8,170.50 × 8,170.50
  4. Step 4: Simplify right side
    3,393x = 66,757,070.25
  5. Step 5: Solve for x
    x = 66,757,070.25/3,393
  6. Step 6: Final answer
    x = 19,674.94

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Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.