Finding the Third Proportional to 68,790.75 and 91,729.75
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Solution
The third proportional to 68,790.75 and 91,729.75 is: 122,318.00
Step by Step Solution
- Step 1: Write the proportion equation
68,790.75 : 91,729.75 = 91,729.75 : x - Step 2: Convert to fraction form
68,790.75/91,729.75 = 91,729.75/x - Step 3: Cross multiply
68,790.75x = 91,729.75 × 91,729.75 - Step 4: Simplify right side
68,790.75x = 8,414,347,035.06 - Step 5: Solve for x
x = 8,414,347,035.06/68,790.75 - Step 6: Final answer
x = 122,318.00
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These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.