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Finding the Third Proportional to 5,212 and 11,170

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Solution

The third proportional to 5,212 and 11,170 is: 23,938.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212 : 11,170 = 11,170 : x
  2. Step 2: Convert to fraction form
    5,212/11,170 = 11,170/x
  3. Step 3: Cross multiply
    5,212x = 11,170 × 11,170
  4. Step 4: Simplify right side
    5,212x = 124,768,900
  5. Step 5: Solve for x
    x = 124,768,900/5,212
  6. Step 6: Final answer
    x = 23,938.78

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Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.