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Finding the Third Proportional to 5,520 and 12,252

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Solution

The third proportional to 5,520 and 12,252 is: 27,194.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520 : 12,252 = 12,252 : x
  2. Step 2: Convert to fraction form
    5,520/12,252 = 12,252/x
  3. Step 3: Cross multiply
    5,520x = 12,252 × 12,252
  4. Step 4: Simplify right side
    5,520x = 150,111,504
  5. Step 5: Solve for x
    x = 150,111,504/5,520
  6. Step 6: Final answer
    x = 27,194.11

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Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.