Finding the Third Proportional to 272,960 and 421,104
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Solution
The third proportional to 272,960 and 421,104 is: 649,650.42
Step by Step Solution
- Step 1: Write the proportion equation
272,960 : 421,104 = 421,104 : x - Step 2: Convert to fraction form
272,960/421,104 = 421,104/x - Step 3: Cross multiply
272,960x = 421,104 × 421,104 - Step 4: Simplify right side
272,960x = 177,328,578,816 - Step 5: Solve for x
x = 177,328,578,816/272,960 - Step 6: Final answer
x = 649,650.42
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.