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Finding the Third Proportional to 80,762 and 120,356

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Solution

The third proportional to 80,762 and 120,356 is: 179,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,762 : 120,356 = 120,356 : x
  2. Step 2: Convert to fraction form
    80,762/120,356 = 120,356/x
  3. Step 3: Cross multiply
    80,762x = 120,356 × 120,356
  4. Step 4: Simplify right side
    80,762x = 14,485,566,736
  5. Step 5: Solve for x
    x = 14,485,566,736/80,762
  6. Step 6: Final answer
    x = 179,361.17

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.