Finding the Third Proportional to 385,270.50 and 511,212.75
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Solution
The third proportional to 385,270.50 and 511,212.75 is: 678,324.65
Step by Step Solution
- Step 1: Write the proportion equation
385,270.50 : 511,212.75 = 511,212.75 : x - Step 2: Convert to fraction form
385,270.50/511,212.75 = 511,212.75/x - Step 3: Cross multiply
385,270.50x = 511,212.75 × 511,212.75 - Step 4: Simplify right side
385,270.50x = 261,338,475,762.56 - Step 5: Solve for x
x = 261,338,475,762.56/385,270.50 - Step 6: Final answer
x = 678,324.65
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These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.