Finding the Third Proportional to 5,351.50 and 8,235.75
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Solution
The third proportional to 5,351.50 and 8,235.75 is: 12,674.50
Step by Step Solution
- Step 1: Write the proportion equation
5,351.50 : 8,235.75 = 8,235.75 : x - Step 2: Convert to fraction form
5,351.50/8,235.75 = 8,235.75/x - Step 3: Cross multiply
5,351.50x = 8,235.75 × 8,235.75 - Step 4: Simplify right side
5,351.50x = 67,827,578.06 - Step 5: Solve for x
x = 67,827,578.06/5,351.50 - Step 6: Final answer
x = 12,674.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.