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Finding the Third Proportional to 8,224.50 and 17,982

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Solution

The third proportional to 8,224.50 and 17,982 is: 39,315.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,224.50 : 17,982 = 17,982 : x
  2. Step 2: Convert to fraction form
    8,224.50/17,982 = 17,982/x
  3. Step 3: Cross multiply
    8,224.50x = 17,982 × 17,982
  4. Step 4: Simplify right side
    8,224.50x = 323,352,324
  5. Step 5: Solve for x
    x = 323,352,324/8,224.50
  6. Step 6: Final answer
    x = 39,315.74

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Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.