Finding the Third Proportional to 480 and 603
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Solution
The third proportional to 480 and 603 is: 757.52
Step by Step Solution
- Step 1: Write the proportion equation
480 : 603 = 603 : x - Step 2: Convert to fraction form
480/603 = 603/x - Step 3: Cross multiply
480x = 603 × 603 - Step 4: Simplify right side
480x = 363,609 - Step 5: Solve for x
x = 363,609/480 - Step 6: Final answer
x = 757.52
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Why These Related Problems?
These problems maintain the same ratio (1.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.