Finding the Third Proportional to 121,839.75 and 194,694.75
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Solution
The third proportional to 121,839.75 and 194,694.75 is: 311,113.95
Step by Step Solution
- Step 1: Write the proportion equation
121,839.75 : 194,694.75 = 194,694.75 : x - Step 2: Convert to fraction form
121,839.75/194,694.75 = 194,694.75/x - Step 3: Cross multiply
121,839.75x = 194,694.75 × 194,694.75 - Step 4: Simplify right side
121,839.75x = 37,906,045,677.56 - Step 5: Solve for x
x = 37,906,045,677.56/121,839.75 - Step 6: Final answer
x = 311,113.95
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These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.