Home / 209,720-449,103

Finding the Third Proportional to 209,720 and 449,103

Calculator

Solution

The third proportional to 209,720 and 449,103 is: 961,727.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,720 : 449,103 = 449,103 : x
  2. Step 2: Convert to fraction form
    209,720/449,103 = 449,103/x
  3. Step 3: Cross multiply
    209,720x = 449,103 × 449,103
  4. Step 4: Simplify right side
    209,720x = 201,693,504,609
  5. Step 5: Solve for x
    x = 201,693,504,609/209,720
  6. Step 6: Final answer
    x = 961,727.56

Related Problems

Find third proportional to 104,860 and 224,551.50
Half scale
Find third proportional to 419,440 and 898,206
Double scale
Find third proportional to 209,722 and 449,107
Similar ratio
Find third proportional to 314,580 and 673,654.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.