Finding the Third Proportional to 493.38 and 764
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Solution
The third proportional to 493.38 and 764 is: 1,183.07
Step by Step Solution
- Step 1: Write the proportion equation
493.38 : 764 = 764 : x - Step 2: Convert to fraction form
493.38/764 = 764/x - Step 3: Cross multiply
493.38x = 764 × 764 - Step 4: Simplify right side
493.38x = 583,696 - Step 5: Solve for x
x = 583,696/493.38 - Step 6: Final answer
x = 1,183.07
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Why These Related Problems?
These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.