Finding the Third Proportional to 321,480.75 and 691,349.25
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Solution
The third proportional to 321,480.75 and 691,349.25 is: 1,486,757.09
Step by Step Solution
- Step 1: Write the proportion equation
321,480.75 : 691,349.25 = 691,349.25 : x - Step 2: Convert to fraction form
321,480.75/691,349.25 = 691,349.25/x - Step 3: Cross multiply
321,480.75x = 691,349.25 × 691,349.25 - Step 4: Simplify right side
321,480.75x = 477,963,785,475.56 - Step 5: Solve for x
x = 477,963,785,475.56/321,480.75 - Step 6: Final answer
x = 1,486,757.09
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.