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Finding the Third Proportional to 5,220 and 11,199

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Solution

The third proportional to 5,220 and 11,199 is: 24,026.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,220 : 11,199 = 11,199 : x
  2. Step 2: Convert to fraction form
    5,220/11,199 = 11,199/x
  3. Step 3: Cross multiply
    5,220x = 11,199 × 11,199
  4. Step 4: Simplify right side
    5,220x = 125,417,601
  5. Step 5: Solve for x
    x = 125,417,601/5,220
  6. Step 6: Final answer
    x = 24,026.36

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Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.