Finding the Third Proportional to 127,716.75 and 178,989.75
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Solution
The third proportional to 127,716.75 and 178,989.75 is: 250,846.74
Step by Step Solution
- Step 1: Write the proportion equation
127,716.75 : 178,989.75 = 178,989.75 : x - Step 2: Convert to fraction form
127,716.75/178,989.75 = 178,989.75/x - Step 3: Cross multiply
127,716.75x = 178,989.75 × 178,989.75 - Step 4: Simplify right side
127,716.75x = 32,037,330,605.06 - Step 5: Solve for x
x = 32,037,330,605.06/127,716.75 - Step 6: Final answer
x = 250,846.74
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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.