Finding the Third Proportional to 5,679.75 and 8,718.19
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Solution
The third proportional to 5,679.75 and 8,718.19 is: 13,382.07
Step by Step Solution
- Step 1: Write the proportion equation
5,679.75 : 8,718.19 = 8,718.19 : x - Step 2: Convert to fraction form
5,679.75/8,718.19 = 8,718.19/x - Step 3: Cross multiply
5,679.75x = 8,718.19 × 8,718.19 - Step 4: Simplify right side
5,679.75x = 76,006,793.29 - Step 5: Solve for x
x = 76,006,793.29/5,679.75 - Step 6: Final answer
x = 13,382.07
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.