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Finding the Third Proportional to 7,614 and 11,441.25

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Solution

The third proportional to 7,614 and 11,441.25 is: 17,192.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,614 : 11,441.25 = 11,441.25 : x
  2. Step 2: Convert to fraction form
    7,614/11,441.25 = 11,441.25/x
  3. Step 3: Cross multiply
    7,614x = 11,441.25 × 11,441.25
  4. Step 4: Simplify right side
    7,614x = 130,902,201.56
  5. Step 5: Solve for x
    x = 130,902,201.56/7,614
  6. Step 6: Final answer
    x = 17,192.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.