Finding the Third Proportional to 71,868.75 and 102,912.75
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Solution
The third proportional to 71,868.75 and 102,912.75 is: 147,366.33
Step by Step Solution
- Step 1: Write the proportion equation
71,868.75 : 102,912.75 = 102,912.75 : x - Step 2: Convert to fraction form
71,868.75/102,912.75 = 102,912.75/x - Step 3: Cross multiply
71,868.75x = 102,912.75 × 102,912.75 - Step 4: Simplify right side
71,868.75x = 10,591,034,112.56 - Step 5: Solve for x
x = 10,591,034,112.56/71,868.75 - Step 6: Final answer
x = 147,366.33
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These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.