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Finding the Third Proportional to 21,183 and 29,757

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Solution

The third proportional to 21,183 and 29,757 is: 41,801.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,183 : 29,757 = 29,757 : x
  2. Step 2: Convert to fraction form
    21,183/29,757 = 29,757/x
  3. Step 3: Cross multiply
    21,183x = 29,757 × 29,757
  4. Step 4: Simplify right side
    21,183x = 885,479,049
  5. Step 5: Solve for x
    x = 885,479,049/21,183
  6. Step 6: Final answer
    x = 41,801.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.