Finding the Third Proportional to 322 and 789.50
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Solution
The third proportional to 322 and 789.50 is: 1,935.75
Step by Step Solution
- Step 1: Write the proportion equation
322 : 789.50 = 789.50 : x - Step 2: Convert to fraction form
322/789.50 = 789.50/x - Step 3: Cross multiply
322x = 789.50 × 789.50 - Step 4: Simplify right side
322x = 623,310.25 - Step 5: Solve for x
x = 623,310.25/322 - Step 6: Final answer
x = 1,935.75
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Why These Related Problems?
These problems maintain the same ratio (2.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.