Finding the Third Proportional to 285,822 and 615,330
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Solution
The third proportional to 285,822 and 615,330 is: 1,324,709.12
Step by Step Solution
- Step 1: Write the proportion equation
285,822 : 615,330 = 615,330 : x - Step 2: Convert to fraction form
285,822/615,330 = 615,330/x - Step 3: Cross multiply
285,822x = 615,330 × 615,330 - Step 4: Simplify right side
285,822x = 378,631,008,900 - Step 5: Solve for x
x = 378,631,008,900/285,822 - Step 6: Final answer
x = 1,324,709.12
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Why These Related Problems?
These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.