Finding the Third Proportional to 311,394.38 and 680,951.81
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Solution
The third proportional to 311,394.38 and 680,951.81 is: 1,489,093.60
Step by Step Solution
- Step 1: Write the proportion equation
311,394.38 : 680,951.81 = 680,951.81 : x - Step 2: Convert to fraction form
311,394.38/680,951.81 = 680,951.81/x - Step 3: Cross multiply
311,394.38x = 680,951.81 × 680,951.81 - Step 4: Simplify right side
311,394.38x = 463,695,370,947.04 - Step 5: Solve for x
x = 463,695,370,947.04/311,394.38 - Step 6: Final answer
x = 1,489,093.60
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Why These Related Problems?
These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.