Finding the Third Proportional to 3,278 and 3,953
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Solution
The third proportional to 3,278 and 3,953 is: 4,766.99
Step by Step Solution
- Step 1: Write the proportion equation
3,278 : 3,953 = 3,953 : x - Step 2: Convert to fraction form
3,278/3,953 = 3,953/x - Step 3: Cross multiply
3,278x = 3,953 × 3,953 - Step 4: Simplify right side
3,278x = 15,626,209 - Step 5: Solve for x
x = 15,626,209/3,278 - Step 6: Final answer
x = 4,766.99
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These problems maintain the same ratio (1.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.