Finding the Third Proportional to 460 and 488
Calculator
Solution
The third proportional to 460 and 488 is: 517.70
Step by Step Solution
- Step 1: Write the proportion equation
460 : 488 = 488 : x - Step 2: Convert to fraction form
460/488 = 488/x - Step 3: Cross multiply
460x = 488 × 488 - Step 4: Simplify right side
460x = 238,144 - Step 5: Solve for x
x = 238,144/460 - Step 6: Final answer
x = 517.70
Related Problems
Find third proportional to 230 and 244
Half scale
Find third proportional to 920 and 976
Double scale
Find third proportional to 462 and 490
Similar ratio
Find third proportional to 690 and 732
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.