Finding the Third Proportional to 100 and 251
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Solution
The third proportional to 100 and 251 is: 630.01
Step by Step Solution
- Step 1: Write the proportion equation
100 : 251 = 251 : x - Step 2: Convert to fraction form
100/251 = 251/x - Step 3: Cross multiply
100x = 251 × 251 - Step 4: Simplify right side
100x = 63,001 - Step 5: Solve for x
x = 63,001/100 - Step 6: Final answer
x = 630.01
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Why These Related Problems?
These problems maintain the same ratio (2.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.