Finding the Third Proportional to 252,451.69 and 420,729.19
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Solution
The third proportional to 252,451.69 and 420,729.19 is: 701,175.94
Step by Step Solution
- Step 1: Write the proportion equation
252,451.69 : 420,729.19 = 420,729.19 : x - Step 2: Convert to fraction form
252,451.69/420,729.19 = 420,729.19/x - Step 3: Cross multiply
252,451.69x = 420,729.19 × 420,729.19 - Step 4: Simplify right side
252,451.69x = 177,013,049,214.41 - Step 5: Solve for x
x = 177,013,049,214.41/252,451.69 - Step 6: Final answer
x = 701,175.94
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These problems maintain the same ratio (1.67) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.