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Finding the Third Proportional to 8,358.50 and 18,175

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Solution

The third proportional to 8,358.50 and 18,175 is: 39,520.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,358.50 : 18,175 = 18,175 : x
  2. Step 2: Convert to fraction form
    8,358.50/18,175 = 18,175/x
  3. Step 3: Cross multiply
    8,358.50x = 18,175 × 18,175
  4. Step 4: Simplify right side
    8,358.50x = 330,330,625
  5. Step 5: Solve for x
    x = 330,330,625/8,358.50
  6. Step 6: Final answer
    x = 39,520.32

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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.