Finding the Third Proportional to 311,952.09 and 638,680.78
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Solution
The third proportional to 311,952.09 and 638,680.78 is: 1,307,614.69
Step by Step Solution
- Step 1: Write the proportion equation
311,952.09 : 638,680.78 = 638,680.78 : x - Step 2: Convert to fraction form
311,952.09/638,680.78 = 638,680.78/x - Step 3: Cross multiply
311,952.09x = 638,680.78 × 638,680.78 - Step 4: Simplify right side
311,952.09x = 407,913,140,338.11 - Step 5: Solve for x
x = 407,913,140,338.11/311,952.09 - Step 6: Final answer
x = 1,307,614.69
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These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.