Home / 55,220-120,256

Finding the Third Proportional to 55,220 and 120,256

Calculator

Solution

The third proportional to 55,220 and 120,256 is: 261,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,220 : 120,256 = 120,256 : x
  2. Step 2: Convert to fraction form
    55,220/120,256 = 120,256/x
  3. Step 3: Cross multiply
    55,220x = 120,256 × 120,256
  4. Step 4: Simplify right side
    55,220x = 14,461,505,536
  5. Step 5: Solve for x
    x = 14,461,505,536/55,220
  6. Step 6: Final answer
    x = 261,888.91

Related Problems

Find third proportional to 27,610 and 60,128
Half scale
Find third proportional to 110,440 and 240,512
Double scale
Find third proportional to 55,222 and 120,260
Similar ratio
Find third proportional to 82,830 and 180,384
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.