Finding the Third Proportional to 7,643.11 and 11,122.95
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Solution
The third proportional to 7,643.11 and 11,122.95 is: 16,187.12
Step by Step Solution
- Step 1: Write the proportion equation
7,643.11 : 11,122.95 = 11,122.95 : x - Step 2: Convert to fraction form
7,643.11/11,122.95 = 11,122.95/x - Step 3: Cross multiply
7,643.11x = 11,122.95 × 11,122.95 - Step 4: Simplify right side
7,643.11x = 123,719,912.42 - Step 5: Solve for x
x = 123,719,912.42/7,643.11 - Step 6: Final answer
x = 16,187.12
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Why These Related Problems?
These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.