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Finding the Third Proportional to 13,296 and 19,728

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Solution

The third proportional to 13,296 and 19,728 is: 29,271.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296 : 19,728 = 19,728 : x
  2. Step 2: Convert to fraction form
    13,296/19,728 = 19,728/x
  3. Step 3: Cross multiply
    13,296x = 19,728 × 19,728
  4. Step 4: Simplify right side
    13,296x = 389,193,984
  5. Step 5: Solve for x
    x = 389,193,984/13,296
  6. Step 6: Final answer
    x = 29,271.51

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.