Finding the Third Proportional to 683 and 945
Calculator
Solution
The third proportional to 683 and 945 is: 1,307.50
Step by Step Solution
- Step 1: Write the proportion equation
683 : 945 = 945 : x - Step 2: Convert to fraction form
683/945 = 945/x - Step 3: Cross multiply
683x = 945 × 945 - Step 4: Simplify right side
683x = 893,025 - Step 5: Solve for x
x = 893,025/683 - Step 6: Final answer
x = 1,307.50
Related Problems
Find third proportional to 341.50 and 472.50
Half scale
Find third proportional to 1,366 and 1,890
Double scale
Find third proportional to 685 and 948
Similar ratio
Find third proportional to 1,024.50 and 1,417.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.