Finding the Third Proportional to 3,531.75 and 3,855.75
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Solution
The third proportional to 3,531.75 and 3,855.75 is: 4,209.47
Step by Step Solution
- Step 1: Write the proportion equation
3,531.75 : 3,855.75 = 3,855.75 : x - Step 2: Convert to fraction form
3,531.75/3,855.75 = 3,855.75/x - Step 3: Cross multiply
3,531.75x = 3,855.75 × 3,855.75 - Step 4: Simplify right side
3,531.75x = 14,866,808.06 - Step 5: Solve for x
x = 14,866,808.06/3,531.75 - Step 6: Final answer
x = 4,209.47
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Why These Related Problems?
These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.