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Finding the Third Proportional to 60,333 and 128,676

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Solution

The third proportional to 60,333 and 128,676 is: 274,435.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,333 : 128,676 = 128,676 : x
  2. Step 2: Convert to fraction form
    60,333/128,676 = 128,676/x
  3. Step 3: Cross multiply
    60,333x = 128,676 × 128,676
  4. Step 4: Simplify right side
    60,333x = 16,557,512,976
  5. Step 5: Solve for x
    x = 16,557,512,976/60,333
  6. Step 6: Final answer
    x = 274,435.43

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Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.