Finding the Third Proportional to 1,521 and 2,847
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Solution
The third proportional to 1,521 and 2,847 is: 5,329
Step by Step Solution
- Step 1: Write the proportion equation
1,521 : 2,847 = 2,847 : x - Step 2: Convert to fraction form
1,521/2,847 = 2,847/x - Step 3: Cross multiply
1,521x = 2,847 × 2,847 - Step 4: Simplify right side
1,521x = 8,105,409 - Step 5: Solve for x
x = 8,105,409/1,521 - Step 6: Final answer
x = 5,329
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These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.