Finding the Third Proportional to 697 and 1,873
Calculator
Solution
The third proportional to 697 and 1,873 is: 5,033.18
Step by Step Solution
- Step 1: Write the proportion equation
697 : 1,873 = 1,873 : x - Step 2: Convert to fraction form
697/1,873 = 1,873/x - Step 3: Cross multiply
697x = 1,873 × 1,873 - Step 4: Simplify right side
697x = 3,508,129 - Step 5: Solve for x
x = 3,508,129/697 - Step 6: Final answer
x = 5,033.18
Related Problems
Find third proportional to 348.50 and 936.50
Half scale
Find third proportional to 1,394 and 3,746
Double scale
Find third proportional to 699 and 1,878
Similar ratio
Find third proportional to 1,045.50 and 2,809.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (2.69) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.