Finding the Third Proportional to 198,986.63 and 281,292.75
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Solution
The third proportional to 198,986.63 and 281,292.75 is: 397,642.86
Step by Step Solution
- Step 1: Write the proportion equation
198,986.63 : 281,292.75 = 281,292.75 : x - Step 2: Convert to fraction form
198,986.63/281,292.75 = 281,292.75/x - Step 3: Cross multiply
198,986.63x = 281,292.75 × 281,292.75 - Step 4: Simplify right side
198,986.63x = 79,125,611,202.56 - Step 5: Solve for x
x = 79,125,611,202.56/198,986.63 - Step 6: Final answer
x = 397,642.86
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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.