Finding the Third Proportional to 388.50 and 1,002
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Solution
The third proportional to 388.50 and 1,002 is: 2,584.31
Step by Step Solution
- Step 1: Write the proportion equation
388.50 : 1,002 = 1,002 : x - Step 2: Convert to fraction form
388.50/1,002 = 1,002/x - Step 3: Cross multiply
388.50x = 1,002 × 1,002 - Step 4: Simplify right side
388.50x = 1,004,004 - Step 5: Solve for x
x = 1,004,004/388.50 - Step 6: Final answer
x = 2,584.31
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These problems maintain the same ratio (2.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.