Finding the Third Proportional to 381,979.69 and 809,492.63
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Solution
The third proportional to 381,979.69 and 809,492.63 is: 1,715,479.46
Step by Step Solution
- Step 1: Write the proportion equation
381,979.69 : 809,492.63 = 809,492.63 : x - Step 2: Convert to fraction form
381,979.69/809,492.63 = 809,492.63/x - Step 3: Cross multiply
381,979.69x = 809,492.63 × 809,492.63 - Step 4: Simplify right side
381,979.69x = 655,278,309,929.39 - Step 5: Solve for x
x = 655,278,309,929.39/381,979.69 - Step 6: Final answer
x = 1,715,479.46
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These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.