Finding the Third Proportional to 18,640.13 and 27,969.75
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Solution
The third proportional to 18,640.13 and 27,969.75 is: 41,968.97
Step by Step Solution
- Step 1: Write the proportion equation
18,640.13 : 27,969.75 = 27,969.75 : x - Step 2: Convert to fraction form
18,640.13/27,969.75 = 27,969.75/x - Step 3: Cross multiply
18,640.13x = 27,969.75 × 27,969.75 - Step 4: Simplify right side
18,640.13x = 782,306,915.06 - Step 5: Solve for x
x = 782,306,915.06/18,640.13 - Step 6: Final answer
x = 41,968.97
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.