Home / 131,638-209,230

Finding the Third Proportional to 131,638 and 209,230

Calculator

Solution

The third proportional to 131,638 and 209,230 is: 332,557.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,638 : 209,230 = 209,230 : x
  2. Step 2: Convert to fraction form
    131,638/209,230 = 209,230/x
  3. Step 3: Cross multiply
    131,638x = 209,230 × 209,230
  4. Step 4: Simplify right side
    131,638x = 43,777,192,900
  5. Step 5: Solve for x
    x = 43,777,192,900/131,638
  6. Step 6: Final answer
    x = 332,557.41

Related Problems

Find third proportional to 65,819 and 104,615
Half scale
Find third proportional to 263,276 and 418,460
Double scale
Find third proportional to 131,640 and 209,233
Similar ratio
Find third proportional to 197,457 and 313,845
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.