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Finding the Third Proportional to 7,192 and 11,108

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Solution

The third proportional to 7,192 and 11,108 is: 17,156.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,192 : 11,108 = 11,108 : x
  2. Step 2: Convert to fraction form
    7,192/11,108 = 11,108/x
  3. Step 3: Cross multiply
    7,192x = 11,108 × 11,108
  4. Step 4: Simplify right side
    7,192x = 123,387,664
  5. Step 5: Solve for x
    x = 123,387,664/7,192
  6. Step 6: Final answer
    x = 17,156.24

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Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.