Home / 3,221-7,028

Finding the Third Proportional to 3,221 and 7,028

Calculator

Solution

The third proportional to 3,221 and 7,028 is: 15,334.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,221 : 7,028 = 7,028 : x
  2. Step 2: Convert to fraction form
    3,221/7,028 = 7,028/x
  3. Step 3: Cross multiply
    3,221x = 7,028 × 7,028
  4. Step 4: Simplify right side
    3,221x = 49,392,784
  5. Step 5: Solve for x
    x = 49,392,784/3,221
  6. Step 6: Final answer
    x = 15,334.61

Related Problems

Find third proportional to 1,610.50 and 3,514
Half scale
Find third proportional to 6,442 and 14,056
Double scale
Find third proportional to 3,223 and 7,032
Similar ratio
Find third proportional to 4,831.50 and 10,542
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.