Finding the Third Proportional to 71,988.75 and 149,505.75
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Solution
The third proportional to 71,988.75 and 149,505.75 is: 310,492.53
Step by Step Solution
- Step 1: Write the proportion equation
71,988.75 : 149,505.75 = 149,505.75 : x - Step 2: Convert to fraction form
71,988.75/149,505.75 = 149,505.75/x - Step 3: Cross multiply
71,988.75x = 149,505.75 × 149,505.75 - Step 4: Simplify right side
71,988.75x = 22,351,969,283.06 - Step 5: Solve for x
x = 22,351,969,283.06/71,988.75 - Step 6: Final answer
x = 310,492.53
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These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.