Finding the Third Proportional to 311,318.25 and 455,874.75
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Solution
The third proportional to 311,318.25 and 455,874.75 is: 667,554.14
Step by Step Solution
- Step 1: Write the proportion equation
311,318.25 : 455,874.75 = 455,874.75 : x - Step 2: Convert to fraction form
311,318.25/455,874.75 = 455,874.75/x - Step 3: Cross multiply
311,318.25x = 455,874.75 × 455,874.75 - Step 4: Simplify right side
311,318.25x = 207,821,787,687.56 - Step 5: Solve for x
x = 207,821,787,687.56/311,318.25 - Step 6: Final answer
x = 667,554.14
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These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.