Finding the Third Proportional to 91,771.75 and 129,236.75
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Solution
The third proportional to 91,771.75 and 129,236.75 is: 181,996.50
Step by Step Solution
- Step 1: Write the proportion equation
91,771.75 : 129,236.75 = 129,236.75 : x - Step 2: Convert to fraction form
91,771.75/129,236.75 = 129,236.75/x - Step 3: Cross multiply
91,771.75x = 129,236.75 × 129,236.75 - Step 4: Simplify right side
91,771.75x = 16,702,137,550.56 - Step 5: Solve for x
x = 16,702,137,550.56/91,771.75 - Step 6: Final answer
x = 181,996.50
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These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.