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Finding the Third Proportional to 8,216.50 and 18,073

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Solution

The third proportional to 8,216.50 and 18,073 is: 39,753.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.50 : 18,073 = 18,073 : x
  2. Step 2: Convert to fraction form
    8,216.50/18,073 = 18,073/x
  3. Step 3: Cross multiply
    8,216.50x = 18,073 × 18,073
  4. Step 4: Simplify right side
    8,216.50x = 326,633,329
  5. Step 5: Solve for x
    x = 326,633,329/8,216.50
  6. Step 6: Final answer
    x = 39,753.34

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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.