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Finding the Third Proportional to 7,296 and 15,555

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Solution

The third proportional to 7,296 and 15,555 is: 33,163.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,296 : 15,555 = 15,555 : x
  2. Step 2: Convert to fraction form
    7,296/15,555 = 15,555/x
  3. Step 3: Cross multiply
    7,296x = 15,555 × 15,555
  4. Step 4: Simplify right side
    7,296x = 241,958,025
  5. Step 5: Solve for x
    x = 241,958,025/7,296
  6. Step 6: Final answer
    x = 33,163.11

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.