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Finding the Third Proportional to 8,234.50 and 18,038

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Solution

The third proportional to 8,234.50 and 18,038 is: 39,512.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,234.50 : 18,038 = 18,038 : x
  2. Step 2: Convert to fraction form
    8,234.50/18,038 = 18,038/x
  3. Step 3: Cross multiply
    8,234.50x = 18,038 × 18,038
  4. Step 4: Simplify right side
    8,234.50x = 325,369,444
  5. Step 5: Solve for x
    x = 325,369,444/8,234.50
  6. Step 6: Final answer
    x = 39,512.96

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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.