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Finding the Third Proportional to 5,400 and 8,244

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Solution

The third proportional to 5,400 and 8,244 is: 12,585.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400 : 8,244 = 8,244 : x
  2. Step 2: Convert to fraction form
    5,400/8,244 = 8,244/x
  3. Step 3: Cross multiply
    5,400x = 8,244 × 8,244
  4. Step 4: Simplify right side
    5,400x = 67,963,536
  5. Step 5: Solve for x
    x = 67,963,536/5,400
  6. Step 6: Final answer
    x = 12,585.84

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Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.