Finding the Third Proportional to 394,421.50 and 863,474
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Solution
The third proportional to 394,421.50 and 863,474 is: 1,890,331.41
Step by Step Solution
- Step 1: Write the proportion equation
394,421.50 : 863,474 = 863,474 : x - Step 2: Convert to fraction form
394,421.50/863,474 = 863,474/x - Step 3: Cross multiply
394,421.50x = 863,474 × 863,474 - Step 4: Simplify right side
394,421.50x = 745,587,348,676 - Step 5: Solve for x
x = 745,587,348,676/394,421.50 - Step 6: Final answer
x = 1,890,331.41
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These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.