Finding the Third Proportional to 4,272.75 and 7,413.19
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Solution
The third proportional to 4,272.75 and 7,413.19 is: 12,861.82
Step by Step Solution
- Step 1: Write the proportion equation
4,272.75 : 7,413.19 = 7,413.19 : x - Step 2: Convert to fraction form
4,272.75/7,413.19 = 7,413.19/x - Step 3: Cross multiply
4,272.75x = 7,413.19 × 7,413.19 - Step 4: Simplify right side
4,272.75x = 54,955,348.91 - Step 5: Solve for x
x = 54,955,348.91/4,272.75 - Step 6: Final answer
x = 12,861.82
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These problems maintain the same ratio (1.73) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.