Finding the Third Proportional to 936 and 2,118
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Solution
The third proportional to 936 and 2,118 is: 4,792.65
Step by Step Solution
- Step 1: Write the proportion equation
936 : 2,118 = 2,118 : x - Step 2: Convert to fraction form
936/2,118 = 2,118/x - Step 3: Cross multiply
936x = 2,118 × 2,118 - Step 4: Simplify right side
936x = 4,485,924 - Step 5: Solve for x
x = 4,485,924/936 - Step 6: Final answer
x = 4,792.65
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These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.