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Finding the Third Proportional to 20,469 and 36,726

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Solution

The third proportional to 20,469 and 36,726 is: 65,894.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,469 : 36,726 = 36,726 : x
  2. Step 2: Convert to fraction form
    20,469/36,726 = 36,726/x
  3. Step 3: Cross multiply
    20,469x = 36,726 × 36,726
  4. Step 4: Simplify right side
    20,469x = 1,348,799,076
  5. Step 5: Solve for x
    x = 1,348,799,076/20,469
  6. Step 6: Final answer
    x = 65,894.72

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Why These Related Problems?

These problems maintain the same ratio (1.79) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.