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Finding the Third Proportional to 11,291 and 17,473

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Solution

The third proportional to 11,291 and 17,473 is: 27,039.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,291 : 17,473 = 17,473 : x
  2. Step 2: Convert to fraction form
    11,291/17,473 = 17,473/x
  3. Step 3: Cross multiply
    11,291x = 17,473 × 17,473
  4. Step 4: Simplify right side
    11,291x = 305,305,729
  5. Step 5: Solve for x
    x = 305,305,729/11,291
  6. Step 6: Final answer
    x = 27,039.74

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.