Finding the Third Proportional to 7,917.75 and 18,042.75
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Solution
The third proportional to 7,917.75 and 18,042.75 is: 41,115.32
Step by Step Solution
- Step 1: Write the proportion equation
7,917.75 : 18,042.75 = 18,042.75 : x - Step 2: Convert to fraction form
7,917.75/18,042.75 = 18,042.75/x - Step 3: Cross multiply
7,917.75x = 18,042.75 × 18,042.75 - Step 4: Simplify right side
7,917.75x = 325,540,827.56 - Step 5: Solve for x
x = 325,540,827.56/7,917.75 - Step 6: Final answer
x = 41,115.32
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Why These Related Problems?
These problems maintain the same ratio (2.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.