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Finding the Third Proportional to 149,469.75 and 222,075

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Solution

The third proportional to 149,469.75 and 222,075 is: 329,948.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,469.75 : 222,075 = 222,075 : x
  2. Step 2: Convert to fraction form
    149,469.75/222,075 = 222,075/x
  3. Step 3: Cross multiply
    149,469.75x = 222,075 × 222,075
  4. Step 4: Simplify right side
    149,469.75x = 49,317,305,625
  5. Step 5: Solve for x
    x = 49,317,305,625/149,469.75
  6. Step 6: Final answer
    x = 329,948.41

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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.