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Finding the Third Proportional to 20,745 and 46,170

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Solution

The third proportional to 20,745 and 46,170 is: 102,755.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,745 : 46,170 = 46,170 : x
  2. Step 2: Convert to fraction form
    20,745/46,170 = 46,170/x
  3. Step 3: Cross multiply
    20,745x = 46,170 × 46,170
  4. Step 4: Simplify right side
    20,745x = 2,131,668,900
  5. Step 5: Solve for x
    x = 2,131,668,900/20,745
  6. Step 6: Final answer
    x = 102,755.79

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Why These Related Problems?

These problems maintain the same ratio (2.23) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.