Finding the Third Proportional to 129,350.25 and 274,353.75
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Solution
The third proportional to 129,350.25 and 274,353.75 is: 581,908.27
Step by Step Solution
- Step 1: Write the proportion equation
129,350.25 : 274,353.75 = 274,353.75 : x - Step 2: Convert to fraction form
129,350.25/274,353.75 = 274,353.75/x - Step 3: Cross multiply
129,350.25x = 274,353.75 × 274,353.75 - Step 4: Simplify right side
129,350.25x = 75,269,980,139.06 - Step 5: Solve for x
x = 75,269,980,139.06/129,350.25 - Step 6: Final answer
x = 581,908.27
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Why These Related Problems?
These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.