Finding the Third Proportional to 939.50 and 2,000
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Solution
The third proportional to 939.50 and 2,000 is: 4,257.58
Step by Step Solution
- Step 1: Write the proportion equation
939.50 : 2,000 = 2,000 : x - Step 2: Convert to fraction form
939.50/2,000 = 2,000/x - Step 3: Cross multiply
939.50x = 2,000 × 2,000 - Step 4: Simplify right side
939.50x = 4,000,000 - Step 5: Solve for x
x = 4,000,000/939.50 - Step 6: Final answer
x = 4,257.58
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These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.