Home / 3,428-6,343

Finding the Third Proportional to 3,428 and 6,343

Calculator

Solution

The third proportional to 3,428 and 6,343 is: 11,736.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,428 : 6,343 = 6,343 : x
  2. Step 2: Convert to fraction form
    3,428/6,343 = 6,343/x
  3. Step 3: Cross multiply
    3,428x = 6,343 × 6,343
  4. Step 4: Simplify right side
    3,428x = 40,233,649
  5. Step 5: Solve for x
    x = 40,233,649/3,428
  6. Step 6: Final answer
    x = 11,736.77

Related Problems

Find third proportional to 1,714 and 3,171.50
Half scale
Find third proportional to 6,856 and 12,686
Double scale
Find third proportional to 3,430 and 6,347
Similar ratio
Find third proportional to 5,142 and 9,514.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.