Finding the Third Proportional to 7,776 and 17,928
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Solution
The third proportional to 7,776 and 17,928 is: 41,334
Step by Step Solution
- Step 1: Write the proportion equation
7,776 : 17,928 = 17,928 : x - Step 2: Convert to fraction form
7,776/17,928 = 17,928/x - Step 3: Cross multiply
7,776x = 17,928 × 17,928 - Step 4: Simplify right side
7,776x = 321,413,184 - Step 5: Solve for x
x = 321,413,184/7,776 - Step 6: Final answer
x = 41,334
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Why These Related Problems?
These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.