Finding the Third Proportional to 636 and 1,651
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Solution
The third proportional to 636 and 1,651 is: 4,285.85
Step by Step Solution
- Step 1: Write the proportion equation
636 : 1,651 = 1,651 : x - Step 2: Convert to fraction form
636/1,651 = 1,651/x - Step 3: Cross multiply
636x = 1,651 × 1,651 - Step 4: Simplify right side
636x = 2,725,801 - Step 5: Solve for x
x = 2,725,801/636 - Step 6: Final answer
x = 4,285.85
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These problems maintain the same ratio (2.60) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.