Finding the Third Proportional to 731 and 1,818.50
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Solution
The third proportional to 731 and 1,818.50 is: 4,523.86
Step by Step Solution
- Step 1: Write the proportion equation
731 : 1,818.50 = 1,818.50 : x - Step 2: Convert to fraction form
731/1,818.50 = 1,818.50/x - Step 3: Cross multiply
731x = 1,818.50 × 1,818.50 - Step 4: Simplify right side
731x = 3,306,942.25 - Step 5: Solve for x
x = 3,306,942.25/731 - Step 6: Final answer
x = 4,523.86
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Why These Related Problems?
These problems maintain the same ratio (2.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.