Finding the Third Proportional to 2,615 and 3,639
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Solution
The third proportional to 2,615 and 3,639 is: 5,063.99
Step by Step Solution
- Step 1: Write the proportion equation
2,615 : 3,639 = 3,639 : x - Step 2: Convert to fraction form
2,615/3,639 = 3,639/x - Step 3: Cross multiply
2,615x = 3,639 × 3,639 - Step 4: Simplify right side
2,615x = 13,242,321 - Step 5: Solve for x
x = 13,242,321/2,615 - Step 6: Final answer
x = 5,063.99
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.