Home / 635-843

Finding the Third Proportional to 635 and 843

Calculator

Solution

The third proportional to 635 and 843 is: 1,119.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    635 : 843 = 843 : x
  2. Step 2: Convert to fraction form
    635/843 = 843/x
  3. Step 3: Cross multiply
    635x = 843 × 843
  4. Step 4: Simplify right side
    635x = 710,649
  5. Step 5: Solve for x
    x = 710,649/635
  6. Step 6: Final answer
    x = 1,119.13

Related Problems

Find third proportional to 317.50 and 421.50
Half scale
Find third proportional to 1,270 and 1,686
Double scale
Find third proportional to 637 and 846
Similar ratio
Find third proportional to 952.50 and 1,264.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.