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Finding the Third Proportional to 9,241 and 19,138

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Solution

The third proportional to 9,241 and 19,138 is: 39,634.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,241 : 19,138 = 19,138 : x
  2. Step 2: Convert to fraction form
    9,241/19,138 = 19,138/x
  3. Step 3: Cross multiply
    9,241x = 19,138 × 19,138
  4. Step 4: Simplify right side
    9,241x = 366,263,044
  5. Step 5: Solve for x
    x = 366,263,044/9,241
  6. Step 6: Final answer
    x = 39,634.57

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Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.