Home / 279,130-409,622

Finding the Third Proportional to 279,130 and 409,622

Calculator

Solution

The third proportional to 279,130 and 409,622 is: 601,118.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,130 : 409,622 = 409,622 : x
  2. Step 2: Convert to fraction form
    279,130/409,622 = 409,622/x
  3. Step 3: Cross multiply
    279,130x = 409,622 × 409,622
  4. Step 4: Simplify right side
    279,130x = 167,790,182,884
  5. Step 5: Solve for x
    x = 167,790,182,884/279,130
  6. Step 6: Final answer
    x = 601,118.41

Related Problems

Find third proportional to 139,565 and 204,811
Half scale
Find third proportional to 558,260 and 819,244
Double scale
Find third proportional to 279,132 and 409,625
Similar ratio
Find third proportional to 418,695 and 614,433
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.