Finding the Third Proportional to 834.50 and 1,355
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Solution
The third proportional to 834.50 and 1,355 is: 2,200.15
Step by Step Solution
- Step 1: Write the proportion equation
834.50 : 1,355 = 1,355 : x - Step 2: Convert to fraction form
834.50/1,355 = 1,355/x - Step 3: Cross multiply
834.50x = 1,355 × 1,355 - Step 4: Simplify right side
834.50x = 1,836,025 - Step 5: Solve for x
x = 1,836,025/834.50 - Step 6: Final answer
x = 2,200.15
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Why These Related Problems?
These problems maintain the same ratio (1.62) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.