Finding the Third Proportional to 278 and 532
Calculator
Solution
The third proportional to 278 and 532 is: 1,018.07
Step by Step Solution
- Step 1: Write the proportion equation
278 : 532 = 532 : x - Step 2: Convert to fraction form
278/532 = 532/x - Step 3: Cross multiply
278x = 532 × 532 - Step 4: Simplify right side
278x = 283,024 - Step 5: Solve for x
x = 283,024/278 - Step 6: Final answer
x = 1,018.07
Related Problems
Find third proportional to 139 and 266
Half scale
Find third proportional to 556 and 1,064
Double scale
Find third proportional to 280 and 536
Similar ratio
Find third proportional to 417 and 798
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.91) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.