Finding the Third Proportional to 211,378.50 and 440,221.50
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Solution
The third proportional to 211,378.50 and 440,221.50 is: 916,814.95
Step by Step Solution
- Step 1: Write the proportion equation
211,378.50 : 440,221.50 = 440,221.50 : x - Step 2: Convert to fraction form
211,378.50/440,221.50 = 440,221.50/x - Step 3: Cross multiply
211,378.50x = 440,221.50 × 440,221.50 - Step 4: Simplify right side
211,378.50x = 193,794,969,062.25 - Step 5: Solve for x
x = 193,794,969,062.25/211,378.50 - Step 6: Final answer
x = 916,814.95
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Why These Related Problems?
These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.