Home / 140,213-203,920

Finding the Third Proportional to 140,213 and 203,920

Calculator

Solution

The third proportional to 140,213 and 203,920 is: 296,572.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,213 : 203,920 = 203,920 : x
  2. Step 2: Convert to fraction form
    140,213/203,920 = 203,920/x
  3. Step 3: Cross multiply
    140,213x = 203,920 × 203,920
  4. Step 4: Simplify right side
    140,213x = 41,583,366,400
  5. Step 5: Solve for x
    x = 41,583,366,400/140,213
  6. Step 6: Final answer
    x = 296,572.83

Related Problems

Find third proportional to 70,106.50 and 101,960
Half scale
Find third proportional to 280,426 and 407,840
Double scale
Find third proportional to 140,215 and 203,923
Similar ratio
Find third proportional to 210,319.50 and 305,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.