Finding the Third Proportional to 818.50 and 985
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Solution
The third proportional to 818.50 and 985 is: 1,185.37
Step by Step Solution
- Step 1: Write the proportion equation
818.50 : 985 = 985 : x - Step 2: Convert to fraction form
818.50/985 = 985/x - Step 3: Cross multiply
818.50x = 985 × 985 - Step 4: Simplify right side
818.50x = 970,225 - Step 5: Solve for x
x = 970,225/818.50 - Step 6: Final answer
x = 1,185.37
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These problems maintain the same ratio (1.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.