Finding the Third Proportional to 15,531.75 and 33,549.75
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Solution
The third proportional to 15,531.75 and 33,549.75 is: 72,469.99
Step by Step Solution
- Step 1: Write the proportion equation
15,531.75 : 33,549.75 = 33,549.75 : x - Step 2: Convert to fraction form
15,531.75/33,549.75 = 33,549.75/x - Step 3: Cross multiply
15,531.75x = 33,549.75 × 33,549.75 - Step 4: Simplify right side
15,531.75x = 1,125,585,725.06 - Step 5: Solve for x
x = 1,125,585,725.06/15,531.75 - Step 6: Final answer
x = 72,469.99
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Why These Related Problems?
These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.