Home / 133,648-278,353

Finding the Third Proportional to 133,648 and 278,353

Calculator

Solution

The third proportional to 133,648 and 278,353 is: 579,734.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,648 : 278,353 = 278,353 : x
  2. Step 2: Convert to fraction form
    133,648/278,353 = 278,353/x
  3. Step 3: Cross multiply
    133,648x = 278,353 × 278,353
  4. Step 4: Simplify right side
    133,648x = 77,480,392,609
  5. Step 5: Solve for x
    x = 77,480,392,609/133,648
  6. Step 6: Final answer
    x = 579,734.77

Related Problems

Find third proportional to 66,824 and 139,176.50
Half scale
Find third proportional to 267,296 and 556,706
Double scale
Find third proportional to 133,650 and 278,357
Similar ratio
Find third proportional to 200,472 and 417,529.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.