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Finding the Third Proportional to 5,234.50 and 6,839

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Solution

The third proportional to 5,234.50 and 6,839 is: 8,935.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.50 : 6,839 = 6,839 : x
  2. Step 2: Convert to fraction form
    5,234.50/6,839 = 6,839/x
  3. Step 3: Cross multiply
    5,234.50x = 6,839 × 6,839
  4. Step 4: Simplify right side
    5,234.50x = 46,771,921
  5. Step 5: Solve for x
    x = 46,771,921/5,234.50
  6. Step 6: Final answer
    x = 8,935.32

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Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.