Home / 274,554-409,422

Finding the Third Proportional to 274,554 and 409,422

Calculator

Solution

The third proportional to 274,554 and 409,422 is: 610,540.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,554 : 409,422 = 409,422 : x
  2. Step 2: Convert to fraction form
    274,554/409,422 = 409,422/x
  3. Step 3: Cross multiply
    274,554x = 409,422 × 409,422
  4. Step 4: Simplify right side
    274,554x = 167,626,374,084
  5. Step 5: Solve for x
    x = 167,626,374,084/274,554
  6. Step 6: Final answer
    x = 610,540.64

Related Problems

Find third proportional to 137,277 and 204,711
Half scale
Find third proportional to 549,108 and 818,844
Double scale
Find third proportional to 274,556 and 409,425
Similar ratio
Find third proportional to 411,831 and 614,133
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.