Finding the Third Proportional to 874.50 and 1,849.50
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Solution
The third proportional to 874.50 and 1,849.50 is: 3,911.55
Step by Step Solution
- Step 1: Write the proportion equation
874.50 : 1,849.50 = 1,849.50 : x - Step 2: Convert to fraction form
874.50/1,849.50 = 1,849.50/x - Step 3: Cross multiply
874.50x = 1,849.50 × 1,849.50 - Step 4: Simplify right side
874.50x = 3,420,650.25 - Step 5: Solve for x
x = 3,420,650.25/874.50 - Step 6: Final answer
x = 3,911.55
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Why These Related Problems?
These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.