Finding the Third Proportional to 972 and 1,244
Calculator
Solution
The third proportional to 972 and 1,244 is: 1,592.12
Step by Step Solution
- Step 1: Write the proportion equation
972 : 1,244 = 1,244 : x - Step 2: Convert to fraction form
972/1,244 = 1,244/x - Step 3: Cross multiply
972x = 1,244 × 1,244 - Step 4: Simplify right side
972x = 1,547,536 - Step 5: Solve for x
x = 1,547,536/972 - Step 6: Final answer
x = 1,592.12
Related Problems
Find third proportional to 486 and 622
Half scale
Find third proportional to 1,944 and 2,488
Double scale
Find third proportional to 974 and 1,247
Similar ratio
Find third proportional to 1,458 and 1,866
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.