Home / 156,744-338,422

Finding the Third Proportional to 156,744 and 338,422

Calculator

Solution

The third proportional to 156,744 and 338,422 is: 730,678.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,744 : 338,422 = 338,422 : x
  2. Step 2: Convert to fraction form
    156,744/338,422 = 338,422/x
  3. Step 3: Cross multiply
    156,744x = 338,422 × 338,422
  4. Step 4: Simplify right side
    156,744x = 114,529,450,084
  5. Step 5: Solve for x
    x = 114,529,450,084/156,744
  6. Step 6: Final answer
    x = 730,678.37

Related Problems

Find third proportional to 78,372 and 169,211
Half scale
Find third proportional to 313,488 and 676,844
Double scale
Find third proportional to 156,746 and 338,426
Similar ratio
Find third proportional to 235,116 and 507,633
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.