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Finding the Third Proportional to 7,274 and 11,125

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Solution

The third proportional to 7,274 and 11,125 is: 17,014.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274 : 11,125 = 11,125 : x
  2. Step 2: Convert to fraction form
    7,274/11,125 = 11,125/x
  3. Step 3: Cross multiply
    7,274x = 11,125 × 11,125
  4. Step 4: Simplify right side
    7,274x = 123,765,625
  5. Step 5: Solve for x
    x = 123,765,625/7,274
  6. Step 6: Final answer
    x = 17,014.80

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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.