Finding the Third Proportional to 385,257 and 511,330.50
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Solution
The third proportional to 385,257 and 511,330.50 is: 678,660.95
Step by Step Solution
- Step 1: Write the proportion equation
385,257 : 511,330.50 = 511,330.50 : x - Step 2: Convert to fraction form
385,257/511,330.50 = 511,330.50/x - Step 3: Cross multiply
385,257x = 511,330.50 × 511,330.50 - Step 4: Simplify right side
385,257x = 261,458,880,230.25 - Step 5: Solve for x
x = 261,458,880,230.25/385,257 - Step 6: Final answer
x = 678,660.95
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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.