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Finding the Third Proportional to 5,143.50 and 6,993

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Solution

The third proportional to 5,143.50 and 6,993 is: 9,507.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.50 : 6,993 = 6,993 : x
  2. Step 2: Convert to fraction form
    5,143.50/6,993 = 6,993/x
  3. Step 3: Cross multiply
    5,143.50x = 6,993 × 6,993
  4. Step 4: Simplify right side
    5,143.50x = 48,902,049
  5. Step 5: Solve for x
    x = 48,902,049/5,143.50
  6. Step 6: Final answer
    x = 9,507.54

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.