Finding the Third Proportional to 330,969 and 511,431.75
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Solution
The third proportional to 330,969 and 511,431.75 is: 790,292.85
Step by Step Solution
- Step 1: Write the proportion equation
330,969 : 511,431.75 = 511,431.75 : x - Step 2: Convert to fraction form
330,969/511,431.75 = 511,431.75/x - Step 3: Cross multiply
330,969x = 511,431.75 × 511,431.75 - Step 4: Simplify right side
330,969x = 261,562,434,908.06 - Step 5: Solve for x
x = 261,562,434,908.06/330,969 - Step 6: Final answer
x = 790,292.85
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.