Finding the Third Proportional to 331 and 540
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Solution
The third proportional to 331 and 540 is: 880.97
Step by Step Solution
- Step 1: Write the proportion equation
331 : 540 = 540 : x - Step 2: Convert to fraction form
331/540 = 540/x - Step 3: Cross multiply
331x = 540 × 540 - Step 4: Simplify right side
331x = 291,600 - Step 5: Solve for x
x = 291,600/331 - Step 6: Final answer
x = 880.97
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These problems maintain the same ratio (1.63) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.