Finding the Third Proportional to 782 and 1,326
Calculator
Solution
The third proportional to 782 and 1,326 is: 2,248.43
Step by Step Solution
- Step 1: Write the proportion equation
782 : 1,326 = 1,326 : x - Step 2: Convert to fraction form
782/1,326 = 1,326/x - Step 3: Cross multiply
782x = 1,326 × 1,326 - Step 4: Simplify right side
782x = 1,758,276 - Step 5: Solve for x
x = 1,758,276/782 - Step 6: Final answer
x = 2,248.43
Related Problems
Find third proportional to 391 and 663
Half scale
Find third proportional to 1,564 and 2,652
Double scale
Find third proportional to 784 and 1,329
Similar ratio
Find third proportional to 1,173 and 1,989
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.