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Finding the Third Proportional to 11,622.71 and 17,517.36

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Solution

The third proportional to 11,622.71 and 17,517.36 is: 26,401.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,622.71 : 17,517.36 = 17,517.36 : x
  2. Step 2: Convert to fraction form
    11,622.71/17,517.36 = 17,517.36/x
  3. Step 3: Cross multiply
    11,622.71x = 17,517.36 × 17,517.36
  4. Step 4: Simplify right side
    11,622.71x = 306,857,811.05
  5. Step 5: Solve for x
    x = 306,857,811.05/11,622.71
  6. Step 6: Final answer
    x = 26,401.57

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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.