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Finding the Third Proportional to 17,806 and 26,645

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Solution

The third proportional to 17,806 and 26,645 is: 39,871.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,806 : 26,645 = 26,645 : x
  2. Step 2: Convert to fraction form
    17,806/26,645 = 26,645/x
  3. Step 3: Cross multiply
    17,806x = 26,645 × 26,645
  4. Step 4: Simplify right side
    17,806x = 709,956,025
  5. Step 5: Solve for x
    x = 709,956,025/17,806
  6. Step 6: Final answer
    x = 39,871.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.