Finding the Third Proportional to 3,987 and 8,573
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Solution
The third proportional to 3,987 and 8,573 is: 18,433.99
Step by Step Solution
- Step 1: Write the proportion equation
3,987 : 8,573 = 8,573 : x - Step 2: Convert to fraction form
3,987/8,573 = 8,573/x - Step 3: Cross multiply
3,987x = 8,573 × 8,573 - Step 4: Simplify right side
3,987x = 73,496,329 - Step 5: Solve for x
x = 73,496,329/3,987 - Step 6: Final answer
x = 18,433.99
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These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.