Home / 138,998-223,806

Finding the Third Proportional to 138,998 and 223,806

Calculator

Solution

The third proportional to 138,998 and 223,806 is: 360,358.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,998 : 223,806 = 223,806 : x
  2. Step 2: Convert to fraction form
    138,998/223,806 = 223,806/x
  3. Step 3: Cross multiply
    138,998x = 223,806 × 223,806
  4. Step 4: Simplify right side
    138,998x = 50,089,125,636
  5. Step 5: Solve for x
    x = 50,089,125,636/138,998
  6. Step 6: Final answer
    x = 360,358.61

Related Problems

Find third proportional to 69,499 and 111,903
Half scale
Find third proportional to 277,996 and 447,612
Double scale
Find third proportional to 139,000 and 223,809
Similar ratio
Find third proportional to 208,497 and 335,709
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.