Finding the Third Proportional to 1,024 and 1,480
Calculator
Solution
The third proportional to 1,024 and 1,480 is: 2,139.06
Step by Step Solution
- Step 1: Write the proportion equation
1,024 : 1,480 = 1,480 : x - Step 2: Convert to fraction form
1,024/1,480 = 1,480/x - Step 3: Cross multiply
1,024x = 1,480 × 1,480 - Step 4: Simplify right side
1,024x = 2,190,400 - Step 5: Solve for x
x = 2,190,400/1,024 - Step 6: Final answer
x = 2,139.06
Related Problems
Find third proportional to 512 and 740
Half scale
Find third proportional to 2,048 and 2,960
Double scale
Find third proportional to 1,026 and 1,483
Similar ratio
Find third proportional to 1,536 and 2,220
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.