Finding the Third Proportional to 7,755.75 and 11,078.44
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Solution
The third proportional to 7,755.75 and 11,078.44 is: 15,824.62
Step by Step Solution
- Step 1: Write the proportion equation
7,755.75 : 11,078.44 = 11,078.44 : x - Step 2: Convert to fraction form
7,755.75/11,078.44 = 11,078.44/x - Step 3: Cross multiply
7,755.75x = 11,078.44 × 11,078.44 - Step 4: Simplify right side
7,755.75x = 122,731,777.44 - Step 5: Solve for x
x = 122,731,777.44/7,755.75 - Step 6: Final answer
x = 15,824.62
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Why These Related Problems?
These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.