Finding the Third Proportional to 486 and 654
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Solution
The third proportional to 486 and 654 is: 880.07
Step by Step Solution
- Step 1: Write the proportion equation
486 : 654 = 654 : x - Step 2: Convert to fraction form
486/654 = 654/x - Step 3: Cross multiply
486x = 654 × 654 - Step 4: Simplify right side
486x = 427,716 - Step 5: Solve for x
x = 427,716/486 - Step 6: Final answer
x = 880.07
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These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.