Home / 135,720-194,760

Finding the Third Proportional to 135,720 and 194,760

Calculator

Solution

The third proportional to 135,720 and 194,760 is: 279,483.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,720 : 194,760 = 194,760 : x
  2. Step 2: Convert to fraction form
    135,720/194,760 = 194,760/x
  3. Step 3: Cross multiply
    135,720x = 194,760 × 194,760
  4. Step 4: Simplify right side
    135,720x = 37,931,457,600
  5. Step 5: Solve for x
    x = 37,931,457,600/135,720
  6. Step 6: Final answer
    x = 279,483.18

Related Problems

Find third proportional to 67,860 and 97,380
Half scale
Find third proportional to 271,440 and 389,520
Double scale
Find third proportional to 135,722 and 194,763
Similar ratio
Find third proportional to 203,580 and 292,140
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.44) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.