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Finding the Third Proportional to 7,092 and 11,902

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Solution

The third proportional to 7,092 and 11,902 is: 19,974.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092 : 11,902 = 11,902 : x
  2. Step 2: Convert to fraction form
    7,092/11,902 = 11,902/x
  3. Step 3: Cross multiply
    7,092x = 11,902 × 11,902
  4. Step 4: Simplify right side
    7,092x = 141,657,604
  5. Step 5: Solve for x
    x = 141,657,604/7,092
  6. Step 6: Final answer
    x = 19,974.28

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Why These Related Problems?

These problems maintain the same ratio (1.68) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.