Finding the Third Proportional to 129,487.50 and 193,659.75
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Solution
The third proportional to 129,487.50 and 193,659.75 is: 289,634.90
Step by Step Solution
- Step 1: Write the proportion equation
129,487.50 : 193,659.75 = 193,659.75 : x - Step 2: Convert to fraction form
129,487.50/193,659.75 = 193,659.75/x - Step 3: Cross multiply
129,487.50x = 193,659.75 × 193,659.75 - Step 4: Simplify right side
129,487.50x = 37,504,098,770.06 - Step 5: Solve for x
x = 37,504,098,770.06/129,487.50 - Step 6: Final answer
x = 289,634.90
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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.