Finding the Third Proportional to 3,993.75 and 8,685.75
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Solution
The third proportional to 3,993.75 and 8,685.75 is: 18,890.08
Step by Step Solution
- Step 1: Write the proportion equation
3,993.75 : 8,685.75 = 8,685.75 : x - Step 2: Convert to fraction form
3,993.75/8,685.75 = 8,685.75/x - Step 3: Cross multiply
3,993.75x = 8,685.75 × 8,685.75 - Step 4: Simplify right side
3,993.75x = 75,442,253.06 - Step 5: Solve for x
x = 75,442,253.06/3,993.75 - Step 6: Final answer
x = 18,890.08
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.