Home / 156,734-338,408

Finding the Third Proportional to 156,734 and 338,408

Calculator

Solution

The third proportional to 156,734 and 338,408 is: 730,664.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,734 : 338,408 = 338,408 : x
  2. Step 2: Convert to fraction form
    156,734/338,408 = 338,408/x
  3. Step 3: Cross multiply
    156,734x = 338,408 × 338,408
  4. Step 4: Simplify right side
    156,734x = 114,519,974,464
  5. Step 5: Solve for x
    x = 114,519,974,464/156,734
  6. Step 6: Final answer
    x = 730,664.53

Related Problems

Find third proportional to 78,367 and 169,204
Half scale
Find third proportional to 313,468 and 676,816
Double scale
Find third proportional to 156,736 and 338,412
Similar ratio
Find third proportional to 235,101 and 507,612
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.