Finding the Third Proportional to 786 and 1,818
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Solution
The third proportional to 786 and 1,818 is: 4,204.99
Step by Step Solution
- Step 1: Write the proportion equation
786 : 1,818 = 1,818 : x - Step 2: Convert to fraction form
786/1,818 = 1,818/x - Step 3: Cross multiply
786x = 1,818 × 1,818 - Step 4: Simplify right side
786x = 3,305,124 - Step 5: Solve for x
x = 3,305,124/786 - Step 6: Final answer
x = 4,204.99
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These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.