Finding the Third Proportional to 449 and 635.50
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Solution
The third proportional to 449 and 635.50 is: 899.47
Step by Step Solution
- Step 1: Write the proportion equation
449 : 635.50 = 635.50 : x - Step 2: Convert to fraction form
449/635.50 = 635.50/x - Step 3: Cross multiply
449x = 635.50 × 635.50 - Step 4: Simplify right side
449x = 403,860.25 - Step 5: Solve for x
x = 403,860.25/449 - Step 6: Final answer
x = 899.47
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Why These Related Problems?
These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.