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Finding the Third Proportional to 11,855 and 17,295

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Solution

The third proportional to 11,855 and 17,295 is: 25,231.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,855 : 17,295 = 17,295 : x
  2. Step 2: Convert to fraction form
    11,855/17,295 = 17,295/x
  3. Step 3: Cross multiply
    11,855x = 17,295 × 17,295
  4. Step 4: Simplify right side
    11,855x = 299,117,025
  5. Step 5: Solve for x
    x = 299,117,025/11,855
  6. Step 6: Final answer
    x = 25,231.30

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Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.