Home / 79,968-122,400

Finding the Third Proportional to 79,968 and 122,400

Calculator

Solution

The third proportional to 79,968 and 122,400 is: 187,346.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,968 : 122,400 = 122,400 : x
  2. Step 2: Convert to fraction form
    79,968/122,400 = 122,400/x
  3. Step 3: Cross multiply
    79,968x = 122,400 × 122,400
  4. Step 4: Simplify right side
    79,968x = 14,981,760,000
  5. Step 5: Solve for x
    x = 14,981,760,000/79,968
  6. Step 6: Final answer
    x = 187,346.94

Related Problems

Find third proportional to 39,984 and 61,200
Half scale
Find third proportional to 159,936 and 244,800
Double scale
Find third proportional to 79,970 and 122,403
Similar ratio
Find third proportional to 119,952 and 183,600
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.