Home / 220,872-480,408

Finding the Third Proportional to 220,872 and 480,408

Calculator

Solution

The third proportional to 220,872 and 480,408 is: 1,044,912.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,872 : 480,408 = 480,408 : x
  2. Step 2: Convert to fraction form
    220,872/480,408 = 480,408/x
  3. Step 3: Cross multiply
    220,872x = 480,408 × 480,408
  4. Step 4: Simplify right side
    220,872x = 230,791,846,464
  5. Step 5: Solve for x
    x = 230,791,846,464/220,872
  6. Step 6: Final answer
    x = 1,044,912.20

Related Problems

Find third proportional to 110,436 and 240,204
Half scale
Find third proportional to 441,744 and 960,816
Double scale
Find third proportional to 220,874 and 480,412
Similar ratio
Find third proportional to 331,308 and 720,612
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.