Finding the Third Proportional to 151,231.50 and 330,163.50
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Solution
The third proportional to 151,231.50 and 330,163.50 is: 720,801.80
Step by Step Solution
- Step 1: Write the proportion equation
151,231.50 : 330,163.50 = 330,163.50 : x - Step 2: Convert to fraction form
151,231.50/330,163.50 = 330,163.50/x - Step 3: Cross multiply
151,231.50x = 330,163.50 × 330,163.50 - Step 4: Simplify right side
151,231.50x = 109,007,936,732.25 - Step 5: Solve for x
x = 109,007,936,732.25/151,231.50 - Step 6: Final answer
x = 720,801.80
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Why These Related Problems?
These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.