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Finding the Third Proportional to 5,517 and 6,111

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Solution

The third proportional to 5,517 and 6,111 is: 6,768.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517 : 6,111 = 6,111 : x
  2. Step 2: Convert to fraction form
    5,517/6,111 = 6,111/x
  3. Step 3: Cross multiply
    5,517x = 6,111 × 6,111
  4. Step 4: Simplify right side
    5,517x = 37,344,321
  5. Step 5: Solve for x
    x = 37,344,321/5,517
  6. Step 6: Final answer
    x = 6,768.95

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Why These Related Problems?

These problems maintain the same ratio (1.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.