Finding the Third Proportional to 818 and 1,660
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Solution
The third proportional to 818 and 1,660 is: 3,368.70
Step by Step Solution
- Step 1: Write the proportion equation
818 : 1,660 = 1,660 : x - Step 2: Convert to fraction form
818/1,660 = 1,660/x - Step 3: Cross multiply
818x = 1,660 × 1,660 - Step 4: Simplify right side
818x = 2,755,600 - Step 5: Solve for x
x = 2,755,600/818 - Step 6: Final answer
x = 3,368.70
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These problems maintain the same ratio (2.03) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.