Finding the Third Proportional to 19.75 and 52
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Solution
The third proportional to 19.75 and 52 is: 136.91
Step by Step Solution
- Step 1: Write the proportion equation
19.75 : 52 = 52 : x - Step 2: Convert to fraction form
19.75/52 = 52/x - Step 3: Cross multiply
19.75x = 52 × 52 - Step 4: Simplify right side
19.75x = 2,704 - Step 5: Solve for x
x = 2,704/19.75 - Step 6: Final answer
x = 136.91
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Why These Related Problems?
These problems maintain the same ratio (2.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.