Finding the Third Proportional to 412,872.19 and 638,097.75
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Solution
The third proportional to 412,872.19 and 638,097.75 is: 986,185.92
Step by Step Solution
- Step 1: Write the proportion equation
412,872.19 : 638,097.75 = 638,097.75 : x - Step 2: Convert to fraction form
412,872.19/638,097.75 = 638,097.75/x - Step 3: Cross multiply
412,872.19x = 638,097.75 × 638,097.75 - Step 4: Simplify right side
412,872.19x = 407,168,738,555.06 - Step 5: Solve for x
x = 407,168,738,555.06/412,872.19 - Step 6: Final answer
x = 986,185.92
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.