Finding the Third Proportional to 275,214.75 and 421,026.75
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Solution
The third proportional to 275,214.75 and 421,026.75 is: 644,091.66
Step by Step Solution
- Step 1: Write the proportion equation
275,214.75 : 421,026.75 = 421,026.75 : x - Step 2: Convert to fraction form
275,214.75/421,026.75 = 421,026.75/x - Step 3: Cross multiply
275,214.75x = 421,026.75 × 421,026.75 - Step 4: Simplify right side
275,214.75x = 177,263,524,215.56 - Step 5: Solve for x
x = 177,263,524,215.56/275,214.75 - Step 6: Final answer
x = 644,091.66
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.