Home / 129,272-270,256

Finding the Third Proportional to 129,272 and 270,256

Calculator

Solution

The third proportional to 129,272 and 270,256 is: 564,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,272 : 270,256 = 270,256 : x
  2. Step 2: Convert to fraction form
    129,272/270,256 = 270,256/x
  3. Step 3: Cross multiply
    129,272x = 270,256 × 270,256
  4. Step 4: Simplify right side
    129,272x = 73,038,305,536
  5. Step 5: Solve for x
    x = 73,038,305,536/129,272
  6. Step 6: Final answer
    x = 564,997.10

Related Problems

Find third proportional to 64,636 and 135,128
Half scale
Find third proportional to 258,544 and 540,512
Double scale
Find third proportional to 129,274 and 270,260
Similar ratio
Find third proportional to 193,908 and 405,384
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.09) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.