Finding the Third Proportional to 394,879.50 and 577,509.75
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Solution
The third proportional to 394,879.50 and 577,509.75 is: 844,605.79
Step by Step Solution
- Step 1: Write the proportion equation
394,879.50 : 577,509.75 = 577,509.75 : x - Step 2: Convert to fraction form
394,879.50/577,509.75 = 577,509.75/x - Step 3: Cross multiply
394,879.50x = 577,509.75 × 577,509.75 - Step 4: Simplify right side
394,879.50x = 333,517,511,345.06 - Step 5: Solve for x
x = 333,517,511,345.06/394,879.50 - Step 6: Final answer
x = 844,605.79
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.