Finding the Third Proportional to 129,615.75 and 198,369.75
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Solution
The third proportional to 129,615.75 and 198,369.75 is: 303,593.95
Step by Step Solution
- Step 1: Write the proportion equation
129,615.75 : 198,369.75 = 198,369.75 : x - Step 2: Convert to fraction form
129,615.75/198,369.75 = 198,369.75/x - Step 3: Cross multiply
129,615.75x = 198,369.75 × 198,369.75 - Step 4: Simplify right side
129,615.75x = 39,350,557,715.06 - Step 5: Solve for x
x = 39,350,557,715.06/129,615.75 - Step 6: Final answer
x = 303,593.95
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These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.