Finding the Third Proportional to 4,839 and 7,240
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Solution
The third proportional to 4,839 and 7,240 is: 10,832.32
Step by Step Solution
- Step 1: Write the proportion equation
4,839 : 7,240 = 7,240 : x - Step 2: Convert to fraction form
4,839/7,240 = 7,240/x - Step 3: Cross multiply
4,839x = 7,240 × 7,240 - Step 4: Simplify right side
4,839x = 52,417,600 - Step 5: Solve for x
x = 52,417,600/4,839 - Step 6: Final answer
x = 10,832.32
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.