Finding the Third Proportional to 290 and 375
Calculator
Solution
The third proportional to 290 and 375 is: 484.91
Step by Step Solution
- Step 1: Write the proportion equation
290 : 375 = 375 : x - Step 2: Convert to fraction form
290/375 = 375/x - Step 3: Cross multiply
290x = 375 × 375 - Step 4: Simplify right side
290x = 140,625 - Step 5: Solve for x
x = 140,625/290 - Step 6: Final answer
x = 484.91
Related Problems
Find third proportional to 145 and 187.50
Half scale
Find third proportional to 580 and 750
Double scale
Find third proportional to 292 and 378
Similar ratio
Find third proportional to 435 and 562.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.29) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.