Home / 219,888-329,256

Finding the Third Proportional to 219,888 and 329,256

Calculator

Solution

The third proportional to 219,888 and 329,256 is: 493,021.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,888 : 329,256 = 329,256 : x
  2. Step 2: Convert to fraction form
    219,888/329,256 = 329,256/x
  3. Step 3: Cross multiply
    219,888x = 329,256 × 329,256
  4. Step 4: Simplify right side
    219,888x = 108,409,513,536
  5. Step 5: Solve for x
    x = 108,409,513,536/219,888
  6. Step 6: Final answer
    x = 493,021.51

Related Problems

Find third proportional to 109,944 and 164,628
Half scale
Find third proportional to 439,776 and 658,512
Double scale
Find third proportional to 219,890 and 329,259
Similar ratio
Find third proportional to 329,832 and 493,884
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.