Home / 202,812-303,909

Finding the Third Proportional to 202,812 and 303,909

Calculator

Solution

The third proportional to 202,812 and 303,909 is: 455,400.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,812 : 303,909 = 303,909 : x
  2. Step 2: Convert to fraction form
    202,812/303,909 = 303,909/x
  3. Step 3: Cross multiply
    202,812x = 303,909 × 303,909
  4. Step 4: Simplify right side
    202,812x = 92,360,680,281
  5. Step 5: Solve for x
    x = 92,360,680,281/202,812
  6. Step 6: Final answer
    x = 455,400.47

Related Problems

Find third proportional to 101,406 and 151,954.50
Half scale
Find third proportional to 405,624 and 607,818
Double scale
Find third proportional to 202,814 and 303,912
Similar ratio
Find third proportional to 304,218 and 455,863.50
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.