Finding the Third Proportional to 4,114.75 and 8,912.75
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Solution
The third proportional to 4,114.75 and 8,912.75 is: 19,305.45
Step by Step Solution
- Step 1: Write the proportion equation
4,114.75 : 8,912.75 = 8,912.75 : x - Step 2: Convert to fraction form
4,114.75/8,912.75 = 8,912.75/x - Step 3: Cross multiply
4,114.75x = 8,912.75 × 8,912.75 - Step 4: Simplify right side
4,114.75x = 79,437,112.56 - Step 5: Solve for x
x = 79,437,112.56/4,114.75 - Step 6: Final answer
x = 19,305.45
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Why These Related Problems?
These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.