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Finding the Third Proportional to 40,788 and 83,268

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Solution

The third proportional to 40,788 and 83,268 is: 169,990.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,788 : 83,268 = 83,268 : x
  2. Step 2: Convert to fraction form
    40,788/83,268 = 83,268/x
  3. Step 3: Cross multiply
    40,788x = 83,268 × 83,268
  4. Step 4: Simplify right side
    40,788x = 6,933,559,824
  5. Step 5: Solve for x
    x = 6,933,559,824/40,788
  6. Step 6: Final answer
    x = 169,990.19

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Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.