Home / 85,200-128,994

Finding the Third Proportional to 85,200 and 128,994

Calculator

Solution

The third proportional to 85,200 and 128,994 is: 195,298.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,200 : 128,994 = 128,994 : x
  2. Step 2: Convert to fraction form
    85,200/128,994 = 128,994/x
  3. Step 3: Cross multiply
    85,200x = 128,994 × 128,994
  4. Step 4: Simplify right side
    85,200x = 16,639,452,036
  5. Step 5: Solve for x
    x = 16,639,452,036/85,200
  6. Step 6: Final answer
    x = 195,298.73

Related Problems

Find third proportional to 42,600 and 64,497
Half scale
Find third proportional to 170,400 and 257,988
Double scale
Find third proportional to 85,202 and 128,997
Similar ratio
Find third proportional to 127,800 and 193,491
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.