Home / 128,128-271,024

Finding the Third Proportional to 128,128 and 271,024

Calculator

Solution

The third proportional to 128,128 and 271,024 is: 573,286.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,128 : 271,024 = 271,024 : x
  2. Step 2: Convert to fraction form
    128,128/271,024 = 271,024/x
  3. Step 3: Cross multiply
    128,128x = 271,024 × 271,024
  4. Step 4: Simplify right side
    128,128x = 73,454,008,576
  5. Step 5: Solve for x
    x = 73,454,008,576/128,128
  6. Step 6: Final answer
    x = 573,286.16

Related Problems

Find third proportional to 64,064 and 135,512
Half scale
Find third proportional to 256,256 and 542,048
Double scale
Find third proportional to 128,130 and 271,028
Similar ratio
Find third proportional to 192,192 and 406,536
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.