Finding the Third Proportional to 374 and 789.50
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Solution
The third proportional to 374 and 789.50 is: 1,666.60
Step by Step Solution
- Step 1: Write the proportion equation
374 : 789.50 = 789.50 : x - Step 2: Convert to fraction form
374/789.50 = 789.50/x - Step 3: Cross multiply
374x = 789.50 × 789.50 - Step 4: Simplify right side
374x = 623,310.25 - Step 5: Solve for x
x = 623,310.25/374 - Step 6: Final answer
x = 1,666.60
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.