Finding the Third Proportional to 3,243.75 and 3,531.75
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Solution
The third proportional to 3,243.75 and 3,531.75 is: 3,845.32
Step by Step Solution
- Step 1: Write the proportion equation
3,243.75 : 3,531.75 = 3,531.75 : x - Step 2: Convert to fraction form
3,243.75/3,531.75 = 3,531.75/x - Step 3: Cross multiply
3,243.75x = 3,531.75 × 3,531.75 - Step 4: Simplify right side
3,243.75x = 12,473,258.06 - Step 5: Solve for x
x = 12,473,258.06/3,243.75 - Step 6: Final answer
x = 3,845.32
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These problems maintain the same ratio (1.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.