Finding the Third Proportional to 45.50 and 120
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Solution
The third proportional to 45.50 and 120 is: 316.48
Step by Step Solution
- Step 1: Write the proportion equation
45.50 : 120 = 120 : x - Step 2: Convert to fraction form
45.50/120 = 120/x - Step 3: Cross multiply
45.50x = 120 × 120 - Step 4: Simplify right side
45.50x = 14,400 - Step 5: Solve for x
x = 14,400/45.50 - Step 6: Final answer
x = 316.48
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Why These Related Problems?
These problems maintain the same ratio (2.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.