Home / 77,916-122,064

Finding the Third Proportional to 77,916 and 122,064

Calculator

Solution

The third proportional to 77,916 and 122,064 is: 191,226.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,916 : 122,064 = 122,064 : x
  2. Step 2: Convert to fraction form
    77,916/122,064 = 122,064/x
  3. Step 3: Cross multiply
    77,916x = 122,064 × 122,064
  4. Step 4: Simplify right side
    77,916x = 14,899,620,096
  5. Step 5: Solve for x
    x = 14,899,620,096/77,916
  6. Step 6: Final answer
    x = 191,226.71

Related Problems

Find third proportional to 38,958 and 61,032
Half scale
Find third proportional to 155,832 and 244,128
Double scale
Find third proportional to 77,918 and 122,067
Similar ratio
Find third proportional to 116,874 and 183,096
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.