Finding the Third Proportional to 381,687.75 and 573,396.75
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Solution
The third proportional to 381,687.75 and 573,396.75 is: 861,394.77
Step by Step Solution
- Step 1: Write the proportion equation
381,687.75 : 573,396.75 = 573,396.75 : x - Step 2: Convert to fraction form
381,687.75/573,396.75 = 573,396.75/x - Step 3: Cross multiply
381,687.75x = 573,396.75 × 573,396.75 - Step 4: Simplify right side
381,687.75x = 328,783,832,910.56 - Step 5: Solve for x
x = 328,783,832,910.56/381,687.75 - Step 6: Final answer
x = 861,394.77
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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.