Finding the Third Proportional to 220,745.25 and 339,729.19
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Solution
The third proportional to 220,745.25 and 339,729.19 is: 522,846.68
Step by Step Solution
- Step 1: Write the proportion equation
220,745.25 : 339,729.19 = 339,729.19 : x - Step 2: Convert to fraction form
220,745.25/339,729.19 = 339,729.19/x - Step 3: Cross multiply
220,745.25x = 339,729.19 × 339,729.19 - Step 4: Simplify right side
220,745.25x = 115,415,920,839.41 - Step 5: Solve for x
x = 115,415,920,839.41/220,745.25 - Step 6: Final answer
x = 522,846.68
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Why These Related Problems?
These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.