Finding the Third Proportional to 381,243 and 825,249.75
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Solution
The third proportional to 381,243 and 825,249.75 is: 1,786,359.75
Step by Step Solution
- Step 1: Write the proportion equation
381,243 : 825,249.75 = 825,249.75 : x - Step 2: Convert to fraction form
381,243/825,249.75 = 825,249.75/x - Step 3: Cross multiply
381,243x = 825,249.75 × 825,249.75 - Step 4: Simplify right side
381,243x = 681,037,149,875.06 - Step 5: Solve for x
x = 681,037,149,875.06/381,243 - Step 6: Final answer
x = 1,786,359.75
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.