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Finding the Third Proportional to 8,371.50 and 18,201

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Solution

The third proportional to 8,371.50 and 18,201 is: 39,571.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.50 : 18,201 = 18,201 : x
  2. Step 2: Convert to fraction form
    8,371.50/18,201 = 18,201/x
  3. Step 3: Cross multiply
    8,371.50x = 18,201 × 18,201
  4. Step 4: Simplify right side
    8,371.50x = 331,276,401
  5. Step 5: Solve for x
    x = 331,276,401/8,371.50
  6. Step 6: Final answer
    x = 39,571.93

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Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.