Finding the Third Proportional to 1,421.44 and 2,177.44
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Solution
The third proportional to 1,421.44 and 2,177.44 is: 3,335.52
Step by Step Solution
- Step 1: Write the proportion equation
1,421.44 : 2,177.44 = 2,177.44 : x - Step 2: Convert to fraction form
1,421.44/2,177.44 = 2,177.44/x - Step 3: Cross multiply
1,421.44x = 2,177.44 × 2,177.44 - Step 4: Simplify right side
1,421.44x = 4,741,234.07 - Step 5: Solve for x
x = 4,741,234.07/1,421.44 - Step 6: Final answer
x = 3,335.52
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Why These Related Problems?
These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.