Finding the Third Proportional to 346 and 485.50
Calculator
Solution
The third proportional to 346 and 485.50 is: 681.24
Step by Step Solution
- Step 1: Write the proportion equation
346 : 485.50 = 485.50 : x - Step 2: Convert to fraction form
346/485.50 = 485.50/x - Step 3: Cross multiply
346x = 485.50 × 485.50 - Step 4: Simplify right side
346x = 235,710.25 - Step 5: Solve for x
x = 235,710.25/346 - Step 6: Final answer
x = 681.24
Related Problems
Find third proportional to 173 and 242.75
Half scale
Find third proportional to 692 and 971
Double scale
Find third proportional to 348 and 488
Similar ratio
Find third proportional to 519 and 728.25
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.