Home / 129,048-277,872

Finding the Third Proportional to 129,048 and 277,872

Calculator

Solution

The third proportional to 129,048 and 277,872 is: 598,326.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,048 : 277,872 = 277,872 : x
  2. Step 2: Convert to fraction form
    129,048/277,872 = 277,872/x
  3. Step 3: Cross multiply
    129,048x = 277,872 × 277,872
  4. Step 4: Simplify right side
    129,048x = 77,212,848,384
  5. Step 5: Solve for x
    x = 77,212,848,384/129,048
  6. Step 6: Final answer
    x = 598,326.58

Related Problems

Find third proportional to 64,524 and 138,936
Half scale
Find third proportional to 258,096 and 555,744
Double scale
Find third proportional to 129,050 and 277,876
Similar ratio
Find third proportional to 193,572 and 416,808
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.