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Finding the Third Proportional to 11,296 and 19,968

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Solution

The third proportional to 11,296 and 19,968 is: 35,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,296 : 19,968 = 19,968 : x
  2. Step 2: Convert to fraction form
    11,296/19,968 = 19,968/x
  3. Step 3: Cross multiply
    11,296x = 19,968 × 19,968
  4. Step 4: Simplify right side
    11,296x = 398,721,024
  5. Step 5: Solve for x
    x = 398,721,024/11,296
  6. Step 6: Final answer
    x = 35,297.54

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Why These Related Problems?

These problems maintain the same ratio (1.77) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.