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Finding the Third Proportional to 11,161 and 15,304

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Solution

The third proportional to 11,161 and 15,304 is: 20,984.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,161 : 15,304 = 15,304 : x
  2. Step 2: Convert to fraction form
    11,161/15,304 = 15,304/x
  3. Step 3: Cross multiply
    11,161x = 15,304 × 15,304
  4. Step 4: Simplify right side
    11,161x = 234,212,416
  5. Step 5: Solve for x
    x = 234,212,416/11,161
  6. Step 6: Final answer
    x = 20,984.90

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.