Finding the Third Proportional to 3,396 and 4,986
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Solution
The third proportional to 3,396 and 4,986 is: 7,320.43
Step by Step Solution
- Step 1: Write the proportion equation
3,396 : 4,986 = 4,986 : x - Step 2: Convert to fraction form
3,396/4,986 = 4,986/x - Step 3: Cross multiply
3,396x = 4,986 × 4,986 - Step 4: Simplify right side
3,396x = 24,860,196 - Step 5: Solve for x
x = 24,860,196/3,396 - Step 6: Final answer
x = 7,320.43
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These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.