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Finding the Third Proportional to 12,992 and 19,608

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Solution

The third proportional to 12,992 and 19,608 is: 29,593.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,992 : 19,608 = 19,608 : x
  2. Step 2: Convert to fraction form
    12,992/19,608 = 19,608/x
  3. Step 3: Cross multiply
    12,992x = 19,608 × 19,608
  4. Step 4: Simplify right side
    12,992x = 384,473,664
  5. Step 5: Solve for x
    x = 384,473,664/12,992
  6. Step 6: Final answer
    x = 29,593.11

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.