Finding the Third Proportional to 151,218.75 and 330,138.75
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Solution
The third proportional to 151,218.75 and 330,138.75 is: 720,754.50
Step by Step Solution
- Step 1: Write the proportion equation
151,218.75 : 330,138.75 = 330,138.75 : x - Step 2: Convert to fraction form
151,218.75/330,138.75 = 330,138.75/x - Step 3: Cross multiply
151,218.75x = 330,138.75 × 330,138.75 - Step 4: Simplify right side
151,218.75x = 108,991,594,251.56 - Step 5: Solve for x
x = 108,991,594,251.56/151,218.75 - Step 6: Final answer
x = 720,754.50
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These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.