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Finding the Third Proportional to 8,503.50 and 18,017

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Solution

The third proportional to 8,503.50 and 18,017 is: 38,173.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,503.50 : 18,017 = 18,017 : x
  2. Step 2: Convert to fraction form
    8,503.50/18,017 = 18,017/x
  3. Step 3: Cross multiply
    8,503.50x = 18,017 × 18,017
  4. Step 4: Simplify right side
    8,503.50x = 324,612,289
  5. Step 5: Solve for x
    x = 324,612,289/8,503.50
  6. Step 6: Final answer
    x = 38,173.96

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Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.