Finding the Third Proportional to 129,888.25 and 194,310.75
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Solution
The third proportional to 129,888.25 and 194,310.75 is: 290,685.78
Step by Step Solution
- Step 1: Write the proportion equation
129,888.25 : 194,310.75 = 194,310.75 : x - Step 2: Convert to fraction form
129,888.25/194,310.75 = 194,310.75/x - Step 3: Cross multiply
129,888.25x = 194,310.75 × 194,310.75 - Step 4: Simplify right side
129,888.25x = 37,756,667,565.56 - Step 5: Solve for x
x = 37,756,667,565.56/129,888.25 - Step 6: Final answer
x = 290,685.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.