Finding the Third Proportional to 3,618.75 and 7,725.75
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Solution
The third proportional to 3,618.75 and 7,725.75 is: 16,493.88
Step by Step Solution
- Step 1: Write the proportion equation
3,618.75 : 7,725.75 = 7,725.75 : x - Step 2: Convert to fraction form
3,618.75/7,725.75 = 7,725.75/x - Step 3: Cross multiply
3,618.75x = 7,725.75 × 7,725.75 - Step 4: Simplify right side
3,618.75x = 59,687,213.06 - Step 5: Solve for x
x = 59,687,213.06/3,618.75 - Step 6: Final answer
x = 16,493.88
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Why These Related Problems?
These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.