Home / 30,422-65,380

Finding the Third Proportional to 30,422 and 65,380

Calculator

Solution

The third proportional to 30,422 and 65,380 is: 140,508.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,422 : 65,380 = 65,380 : x
  2. Step 2: Convert to fraction form
    30,422/65,380 = 65,380/x
  3. Step 3: Cross multiply
    30,422x = 65,380 × 65,380
  4. Step 4: Simplify right side
    30,422x = 4,274,544,400
  5. Step 5: Solve for x
    x = 4,274,544,400/30,422
  6. Step 6: Final answer
    x = 140,508.33

Related Problems

Find third proportional to 15,211 and 32,690
Half scale
Find third proportional to 60,844 and 130,760
Double scale
Find third proportional to 30,424 and 65,384
Similar ratio
Find third proportional to 45,633 and 98,070
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.