Finding the Third Proportional to 275,289 and 421,161.75
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Solution
The third proportional to 275,289 and 421,161.75 is: 644,330.94
Step by Step Solution
- Step 1: Write the proportion equation
275,289 : 421,161.75 = 421,161.75 : x - Step 2: Convert to fraction form
275,289/421,161.75 = 421,161.75/x - Step 3: Cross multiply
275,289x = 421,161.75 × 421,161.75 - Step 4: Simplify right side
275,289x = 177,377,219,663.06 - Step 5: Solve for x
x = 177,377,219,663.06/275,289 - Step 6: Final answer
x = 644,330.94
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.