Finding the Third Proportional to 211,207.50 and 324,202.50
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Solution
The third proportional to 211,207.50 and 324,202.50 is: 497,649.28
Step by Step Solution
- Step 1: Write the proportion equation
211,207.50 : 324,202.50 = 324,202.50 : x - Step 2: Convert to fraction form
211,207.50/324,202.50 = 324,202.50/x - Step 3: Cross multiply
211,207.50x = 324,202.50 × 324,202.50 - Step 4: Simplify right side
211,207.50x = 105,107,261,006.25 - Step 5: Solve for x
x = 105,107,261,006.25/211,207.50 - Step 6: Final answer
x = 497,649.28
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.