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Finding the Third Proportional to 8,550 and 11,491

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Solution

The third proportional to 8,550 and 11,491 is: 15,443.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550 : 11,491 = 11,491 : x
  2. Step 2: Convert to fraction form
    8,550/11,491 = 11,491/x
  3. Step 3: Cross multiply
    8,550x = 11,491 × 11,491
  4. Step 4: Simplify right side
    8,550x = 132,043,081
  5. Step 5: Solve for x
    x = 132,043,081/8,550
  6. Step 6: Final answer
    x = 15,443.64

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Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.