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Finding the Third Proportional to 69,369.50 and 149,537.25

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Solution

The third proportional to 69,369.50 and 149,537.25 is: 322,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,369.50 : 149,537.25 = 149,537.25 : x
  2. Step 2: Convert to fraction form
    69,369.50/149,537.25 = 149,537.25/x
  3. Step 3: Cross multiply
    69,369.50x = 149,537.25 × 149,537.25
  4. Step 4: Simplify right side
    69,369.50x = 22,361,389,137.56
  5. Step 5: Solve for x
    x = 22,361,389,137.56/69,369.50
  6. Step 6: Final answer
    x = 322,351.89

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Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.