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Finding the Third Proportional to 5,500 and 6,244

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Solution

The third proportional to 5,500 and 6,244 is: 7,088.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500 : 6,244 = 6,244 : x
  2. Step 2: Convert to fraction form
    5,500/6,244 = 6,244/x
  3. Step 3: Cross multiply
    5,500x = 6,244 × 6,244
  4. Step 4: Simplify right side
    5,500x = 38,987,536
  5. Step 5: Solve for x
    x = 38,987,536/5,500
  6. Step 6: Final answer
    x = 7,088.64

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Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.