Home / 129,046-277,868

Finding the Third Proportional to 129,046 and 277,868

Calculator

Solution

The third proportional to 129,046 and 277,868 is: 598,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,046 : 277,868 = 277,868 : x
  2. Step 2: Convert to fraction form
    129,046/277,868 = 277,868/x
  3. Step 3: Cross multiply
    129,046x = 277,868 × 277,868
  4. Step 4: Simplify right side
    129,046x = 77,210,625,424
  5. Step 5: Solve for x
    x = 77,210,625,424/129,046
  6. Step 6: Final answer
    x = 598,318.63

Related Problems

Find third proportional to 64,523 and 138,934
Half scale
Find third proportional to 258,092 and 555,736
Double scale
Find third proportional to 129,048 and 277,872
Similar ratio
Find third proportional to 193,569 and 416,802
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.