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Finding the Third Proportional to 8,218.50 and 17,265

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Solution

The third proportional to 8,218.50 and 17,265 is: 36,269.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,218.50 : 17,265 = 17,265 : x
  2. Step 2: Convert to fraction form
    8,218.50/17,265 = 17,265/x
  3. Step 3: Cross multiply
    8,218.50x = 17,265 × 17,265
  4. Step 4: Simplify right side
    8,218.50x = 298,080,225
  5. Step 5: Solve for x
    x = 298,080,225/8,218.50
  6. Step 6: Final answer
    x = 36,269.42

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Why These Related Problems?

These problems maintain the same ratio (2.10) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.