Finding the Third Proportional to 18,591.75 and 36,249.75
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Solution
The third proportional to 18,591.75 and 36,249.75 is: 70,678.90
Step by Step Solution
- Step 1: Write the proportion equation
18,591.75 : 36,249.75 = 36,249.75 : x - Step 2: Convert to fraction form
18,591.75/36,249.75 = 36,249.75/x - Step 3: Cross multiply
18,591.75x = 36,249.75 × 36,249.75 - Step 4: Simplify right side
18,591.75x = 1,314,044,375.06 - Step 5: Solve for x
x = 1,314,044,375.06/18,591.75 - Step 6: Final answer
x = 70,678.90
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Why These Related Problems?
These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.