Finding the Third Proportional to 1,849.50 and 2,781
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Solution
The third proportional to 1,849.50 and 2,781 is: 4,181.65
Step by Step Solution
- Step 1: Write the proportion equation
1,849.50 : 2,781 = 2,781 : x - Step 2: Convert to fraction form
1,849.50/2,781 = 2,781/x - Step 3: Cross multiply
1,849.50x = 2,781 × 2,781 - Step 4: Simplify right side
1,849.50x = 7,733,961 - Step 5: Solve for x
x = 7,733,961/1,849.50 - Step 6: Final answer
x = 4,181.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.