Home / 156,288-338,496

Finding the Third Proportional to 156,288 and 338,496

Calculator

Solution

The third proportional to 156,288 and 338,496 is: 733,130.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,288 : 338,496 = 338,496 : x
  2. Step 2: Convert to fraction form
    156,288/338,496 = 338,496/x
  3. Step 3: Cross multiply
    156,288x = 338,496 × 338,496
  4. Step 4: Simplify right side
    156,288x = 114,579,542,016
  5. Step 5: Solve for x
    x = 114,579,542,016/156,288
  6. Step 6: Final answer
    x = 733,130.77

Related Problems

Find third proportional to 78,144 and 169,248
Half scale
Find third proportional to 312,576 and 676,992
Double scale
Find third proportional to 156,290 and 338,500
Similar ratio
Find third proportional to 234,432 and 507,744
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.