Home / 225,312-422,238

Finding the Third Proportional to 225,312 and 422,238

Calculator

Solution

The third proportional to 225,312 and 422,238 is: 791,280.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,312 : 422,238 = 422,238 : x
  2. Step 2: Convert to fraction form
    225,312/422,238 = 422,238/x
  3. Step 3: Cross multiply
    225,312x = 422,238 × 422,238
  4. Step 4: Simplify right side
    225,312x = 178,284,928,644
  5. Step 5: Solve for x
    x = 178,284,928,644/225,312
  6. Step 6: Final answer
    x = 791,280.22

Related Problems

Find third proportional to 112,656 and 211,119
Half scale
Find third proportional to 450,624 and 844,476
Double scale
Find third proportional to 225,314 and 422,242
Similar ratio
Find third proportional to 337,968 and 633,357
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.87) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.