Home / 126,573-278,410

Finding the Third Proportional to 126,573 and 278,410

Calculator

Solution

The third proportional to 126,573 and 278,410 is: 612,390.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,573 : 278,410 = 278,410 : x
  2. Step 2: Convert to fraction form
    126,573/278,410 = 278,410/x
  3. Step 3: Cross multiply
    126,573x = 278,410 × 278,410
  4. Step 4: Simplify right side
    126,573x = 77,512,128,100
  5. Step 5: Solve for x
    x = 77,512,128,100/126,573
  6. Step 6: Final answer
    x = 612,390.70

Related Problems

Find third proportional to 63,286.50 and 139,205
Half scale
Find third proportional to 253,146 and 556,820
Double scale
Find third proportional to 126,575 and 278,414
Similar ratio
Find third proportional to 189,859.50 and 417,615
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.