Finding the Third Proportional to 7,278.75 and 11,247.75
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Solution
The third proportional to 7,278.75 and 11,247.75 is: 17,380.99
Step by Step Solution
- Step 1: Write the proportion equation
7,278.75 : 11,247.75 = 11,247.75 : x - Step 2: Convert to fraction form
7,278.75/11,247.75 = 11,247.75/x - Step 3: Cross multiply
7,278.75x = 11,247.75 × 11,247.75 - Step 4: Simplify right side
7,278.75x = 126,511,880.06 - Step 5: Solve for x
x = 126,511,880.06/7,278.75 - Step 6: Final answer
x = 17,380.99
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These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.