Finding the Third Proportional to 149,717.25 and 220,198.50
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Solution
The third proportional to 149,717.25 and 220,198.50 is: 323,859.67
Step by Step Solution
- Step 1: Write the proportion equation
149,717.25 : 220,198.50 = 220,198.50 : x - Step 2: Convert to fraction form
149,717.25/220,198.50 = 220,198.50/x - Step 3: Cross multiply
149,717.25x = 220,198.50 × 220,198.50 - Step 4: Simplify right side
149,717.25x = 48,487,379,402.25 - Step 5: Solve for x
x = 48,487,379,402.25/149,717.25 - Step 6: Final answer
x = 323,859.67
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Why These Related Problems?
These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.