Finding the Third Proportional to 74,912.75 and 160,942.75
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Solution
The third proportional to 74,912.75 and 160,942.75 is: 345,769.83
Step by Step Solution
- Step 1: Write the proportion equation
74,912.75 : 160,942.75 = 160,942.75 : x - Step 2: Convert to fraction form
74,912.75/160,942.75 = 160,942.75/x - Step 3: Cross multiply
74,912.75x = 160,942.75 × 160,942.75 - Step 4: Simplify right side
74,912.75x = 25,902,568,777.56 - Step 5: Solve for x
x = 25,902,568,777.56/74,912.75 - Step 6: Final answer
x = 345,769.83
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.