Finding the Third Proportional to 18,805.75 and 39,186.75
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Solution
The third proportional to 18,805.75 and 39,186.75 is: 81,655.95
Step by Step Solution
- Step 1: Write the proportion equation
18,805.75 : 39,186.75 = 39,186.75 : x - Step 2: Convert to fraction form
18,805.75/39,186.75 = 39,186.75/x - Step 3: Cross multiply
18,805.75x = 39,186.75 × 39,186.75 - Step 4: Simplify right side
18,805.75x = 1,535,601,375.56 - Step 5: Solve for x
x = 1,535,601,375.56/18,805.75 - Step 6: Final answer
x = 81,655.95
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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.