Finding the Third Proportional to 389,616.75 and 582,855.75
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Solution
The third proportional to 389,616.75 and 582,855.75 is: 871,935.88
Step by Step Solution
- Step 1: Write the proportion equation
389,616.75 : 582,855.75 = 582,855.75 : x - Step 2: Convert to fraction form
389,616.75/582,855.75 = 582,855.75/x - Step 3: Cross multiply
389,616.75x = 582,855.75 × 582,855.75 - Step 4: Simplify right side
389,616.75x = 339,720,825,308.06 - Step 5: Solve for x
x = 339,720,825,308.06/389,616.75 - Step 6: Final answer
x = 871,935.88
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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.