Home / 135,380.25-210,474

Finding the Third Proportional to 135,380.25 and 210,474

Calculator

Solution

The third proportional to 135,380.25 and 210,474 is: 327,221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,380.25 : 210,474 = 210,474 : x
  2. Step 2: Convert to fraction form
    135,380.25/210,474 = 210,474/x
  3. Step 3: Cross multiply
    135,380.25x = 210,474 × 210,474
  4. Step 4: Simplify right side
    135,380.25x = 44,299,304,676
  5. Step 5: Solve for x
    x = 44,299,304,676/135,380.25
  6. Step 6: Final answer
    x = 327,221.32

Related Problems

Find third proportional to 67,690.13 and 105,237
Half scale
Find third proportional to 270,760.50 and 420,948
Double scale
Find third proportional to 135,382 and 210,477
Similar ratio
Find third proportional to 203,070.38 and 315,711
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.