Finding the Third Proportional to 129,419.25 and 203,059.50
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Solution
The third proportional to 129,419.25 and 203,059.50 is: 318,601.45
Step by Step Solution
- Step 1: Write the proportion equation
129,419.25 : 203,059.50 = 203,059.50 : x - Step 2: Convert to fraction form
129,419.25/203,059.50 = 203,059.50/x - Step 3: Cross multiply
129,419.25x = 203,059.50 × 203,059.50 - Step 4: Simplify right side
129,419.25x = 41,233,160,540.25 - Step 5: Solve for x
x = 41,233,160,540.25/129,419.25 - Step 6: Final answer
x = 318,601.45
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These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.