Finding the Third Proportional to 253,438.50 and 379,408.50
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Solution
The third proportional to 253,438.50 and 379,408.50 is: 567,991.09
Step by Step Solution
- Step 1: Write the proportion equation
253,438.50 : 379,408.50 = 379,408.50 : x - Step 2: Convert to fraction form
253,438.50/379,408.50 = 379,408.50/x - Step 3: Cross multiply
253,438.50x = 379,408.50 × 379,408.50 - Step 4: Simplify right side
253,438.50x = 143,950,809,872.25 - Step 5: Solve for x
x = 143,950,809,872.25/253,438.50 - Step 6: Final answer
x = 567,991.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.