Finding the Third Proportional to 192,136.50 and 306,942.75
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Solution
The third proportional to 192,136.50 and 306,942.75 is: 490,348.54
Step by Step Solution
- Step 1: Write the proportion equation
192,136.50 : 306,942.75 = 306,942.75 : x - Step 2: Convert to fraction form
192,136.50/306,942.75 = 306,942.75/x - Step 3: Cross multiply
192,136.50x = 306,942.75 × 306,942.75 - Step 4: Simplify right side
192,136.50x = 94,213,851,777.56 - Step 5: Solve for x
x = 94,213,851,777.56/192,136.50 - Step 6: Final answer
x = 490,348.54
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These problems maintain the same ratio (1.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.