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Finding the Third Proportional to 11,754 and 15,955

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Solution

The third proportional to 11,754 and 15,955 is: 21,657.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,754 : 15,955 = 15,955 : x
  2. Step 2: Convert to fraction form
    11,754/15,955 = 15,955/x
  3. Step 3: Cross multiply
    11,754x = 15,955 × 15,955
  4. Step 4: Simplify right side
    11,754x = 254,562,025
  5. Step 5: Solve for x
    x = 254,562,025/11,754
  6. Step 6: Final answer
    x = 21,657.48

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.