Finding the Third Proportional to 339 and 400.50
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Solution
The third proportional to 339 and 400.50 is: 473.16
Step by Step Solution
- Step 1: Write the proportion equation
339 : 400.50 = 400.50 : x - Step 2: Convert to fraction form
339/400.50 = 400.50/x - Step 3: Cross multiply
339x = 400.50 × 400.50 - Step 4: Simplify right side
339x = 160,400.25 - Step 5: Solve for x
x = 160,400.25/339 - Step 6: Final answer
x = 473.16
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Why These Related Problems?
These problems maintain the same ratio (1.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.