Home / 74,118-114,939

Finding the Third Proportional to 74,118 and 114,939

Calculator

Solution

The third proportional to 74,118 and 114,939 is: 178,242.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,118 : 114,939 = 114,939 : x
  2. Step 2: Convert to fraction form
    74,118/114,939 = 114,939/x
  3. Step 3: Cross multiply
    74,118x = 114,939 × 114,939
  4. Step 4: Simplify right side
    74,118x = 13,210,973,721
  5. Step 5: Solve for x
    x = 13,210,973,721/74,118
  6. Step 6: Final answer
    x = 178,242.45

Related Problems

Find third proportional to 37,059 and 57,469.50
Half scale
Find third proportional to 148,236 and 229,878
Double scale
Find third proportional to 74,120 and 114,942
Similar ratio
Find third proportional to 111,177 and 172,408.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.