Finding the Third Proportional to 818.50 and 1,224.75
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Solution
The third proportional to 818.50 and 1,224.75 is: 1,832.64
Step by Step Solution
- Step 1: Write the proportion equation
818.50 : 1,224.75 = 1,224.75 : x - Step 2: Convert to fraction form
818.50/1,224.75 = 1,224.75/x - Step 3: Cross multiply
818.50x = 1,224.75 × 1,224.75 - Step 4: Simplify right side
818.50x = 1,500,012.56 - Step 5: Solve for x
x = 1,500,012.56/818.50 - Step 6: Final answer
x = 1,832.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.