Finding the Third Proportional to 514.50 and 791.50
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Solution
The third proportional to 514.50 and 791.50 is: 1,217.63
Step by Step Solution
- Step 1: Write the proportion equation
514.50 : 791.50 = 791.50 : x - Step 2: Convert to fraction form
514.50/791.50 = 791.50/x - Step 3: Cross multiply
514.50x = 791.50 × 791.50 - Step 4: Simplify right side
514.50x = 626,472.25 - Step 5: Solve for x
x = 626,472.25/514.50 - Step 6: Final answer
x = 1,217.63
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These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.