Finding the Third Proportional to 8,531.25 and 13,161.75
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Solution
The third proportional to 8,531.25 and 13,161.75 is: 20,305.54
Step by Step Solution
- Step 1: Write the proportion equation
8,531.25 : 13,161.75 = 13,161.75 : x - Step 2: Convert to fraction form
8,531.25/13,161.75 = 13,161.75/x - Step 3: Cross multiply
8,531.25x = 13,161.75 × 13,161.75 - Step 4: Simplify right side
8,531.25x = 173,231,663.06 - Step 5: Solve for x
x = 173,231,663.06/8,531.25 - Step 6: Final answer
x = 20,305.54
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.