Finding the Third Proportional to 216,481.50 and 322,413.75
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Solution
The third proportional to 216,481.50 and 322,413.75 is: 480,182.49
Step by Step Solution
- Step 1: Write the proportion equation
216,481.50 : 322,413.75 = 322,413.75 : x - Step 2: Convert to fraction form
216,481.50/322,413.75 = 322,413.75/x - Step 3: Cross multiply
216,481.50x = 322,413.75 × 322,413.75 - Step 4: Simplify right side
216,481.50x = 103,950,626,189.06 - Step 5: Solve for x
x = 103,950,626,189.06/216,481.50 - Step 6: Final answer
x = 480,182.49
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.