Home / 149,466-218,451

Finding the Third Proportional to 149,466 and 218,451

Calculator

Solution

The third proportional to 149,466 and 218,451 is: 319,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,466 : 218,451 = 218,451 : x
  2. Step 2: Convert to fraction form
    149,466/218,451 = 218,451/x
  3. Step 3: Cross multiply
    149,466x = 218,451 × 218,451
  4. Step 4: Simplify right side
    149,466x = 47,720,839,401
  5. Step 5: Solve for x
    x = 47,720,839,401/149,466
  6. Step 6: Final answer
    x = 319,275.55

Related Problems

Find third proportional to 74,733 and 109,225.50
Half scale
Find third proportional to 298,932 and 436,902
Double scale
Find third proportional to 149,468 and 218,454
Similar ratio
Find third proportional to 224,199 and 327,676.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.