Finding the Third Proportional to 129,458.25 and 282,912.75
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Solution
The third proportional to 129,458.25 and 282,912.75 is: 618,265.92
Step by Step Solution
- Step 1: Write the proportion equation
129,458.25 : 282,912.75 = 282,912.75 : x - Step 2: Convert to fraction form
129,458.25/282,912.75 = 282,912.75/x - Step 3: Cross multiply
129,458.25x = 282,912.75 × 282,912.75 - Step 4: Simplify right side
129,458.25x = 80,039,624,112.56 - Step 5: Solve for x
x = 80,039,624,112.56/129,458.25 - Step 6: Final answer
x = 618,265.92
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.