Finding the Third Proportional to 4,704 and 7,728
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Solution
The third proportional to 4,704 and 7,728 is: 12,696
Step by Step Solution
- Step 1: Write the proportion equation
4,704 : 7,728 = 7,728 : x - Step 2: Convert to fraction form
4,704/7,728 = 7,728/x - Step 3: Cross multiply
4,704x = 7,728 × 7,728 - Step 4: Simplify right side
4,704x = 59,721,984 - Step 5: Solve for x
x = 59,721,984/4,704 - Step 6: Final answer
x = 12,696
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Why These Related Problems?
These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.