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Finding the Third Proportional to 19,805 and 29,239

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Solution

The third proportional to 19,805 and 29,239 is: 43,166.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,805 : 29,239 = 29,239 : x
  2. Step 2: Convert to fraction form
    19,805/29,239 = 29,239/x
  3. Step 3: Cross multiply
    19,805x = 29,239 × 29,239
  4. Step 4: Simplify right side
    19,805x = 854,919,121
  5. Step 5: Solve for x
    x = 854,919,121/19,805
  6. Step 6: Final answer
    x = 43,166.83

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Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.