Home / 196,780-276,126

Finding the Third Proportional to 196,780 and 276,126

Calculator

Solution

The third proportional to 196,780 and 276,126 is: 387,466.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,780 : 276,126 = 276,126 : x
  2. Step 2: Convert to fraction form
    196,780/276,126 = 276,126/x
  3. Step 3: Cross multiply
    196,780x = 276,126 × 276,126
  4. Step 4: Simplify right side
    196,780x = 76,245,567,876
  5. Step 5: Solve for x
    x = 76,245,567,876/196,780
  6. Step 6: Final answer
    x = 387,466.04

Related Problems

Find third proportional to 98,390 and 138,063
Half scale
Find third proportional to 393,560 and 552,252
Double scale
Find third proportional to 196,782 and 276,129
Similar ratio
Find third proportional to 295,170 and 414,189
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.