Finding the Third Proportional to 1,478 and 3,199
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Solution
The third proportional to 1,478 and 3,199 is: 6,923.95
Step by Step Solution
- Step 1: Write the proportion equation
1,478 : 3,199 = 3,199 : x - Step 2: Convert to fraction form
1,478/3,199 = 3,199/x - Step 3: Cross multiply
1,478x = 3,199 × 3,199 - Step 4: Simplify right side
1,478x = 10,233,601 - Step 5: Solve for x
x = 10,233,601/1,478 - Step 6: Final answer
x = 6,923.95
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These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.