Finding the Third Proportional to 394,890.19 and 612,496.69
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Solution
The third proportional to 394,890.19 and 612,496.69 is: 950,016.50
Step by Step Solution
- Step 1: Write the proportion equation
394,890.19 : 612,496.69 = 612,496.69 : x - Step 2: Convert to fraction form
394,890.19/612,496.69 = 612,496.69/x - Step 3: Cross multiply
394,890.19x = 612,496.69 × 612,496.69 - Step 4: Simplify right side
394,890.19x = 375,152,192,198.47 - Step 5: Solve for x
x = 375,152,192,198.47/394,890.19 - Step 6: Final answer
x = 950,016.50
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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.