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Finding the Third Proportional to 179,759.25 and 279,450

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Solution

The third proportional to 179,759.25 and 279,450 is: 434,427.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,759.25 : 279,450 = 279,450 : x
  2. Step 2: Convert to fraction form
    179,759.25/279,450 = 279,450/x
  3. Step 3: Cross multiply
    179,759.25x = 279,450 × 279,450
  4. Step 4: Simplify right side
    179,759.25x = 78,092,302,500
  5. Step 5: Solve for x
    x = 78,092,302,500/179,759.25
  6. Step 6: Final answer
    x = 434,427.17

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Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.