Home / 82,512-120,240

Finding the Third Proportional to 82,512 and 120,240

Calculator

Solution

The third proportional to 82,512 and 120,240 is: 175,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,512 : 120,240 = 120,240 : x
  2. Step 2: Convert to fraction form
    82,512/120,240 = 120,240/x
  3. Step 3: Cross multiply
    82,512x = 120,240 × 120,240
  4. Step 4: Simplify right side
    82,512x = 14,457,657,600
  5. Step 5: Solve for x
    x = 14,457,657,600/82,512
  6. Step 6: Final answer
    x = 175,218.85

Related Problems

Find third proportional to 41,256 and 60,120
Half scale
Find third proportional to 165,024 and 240,480
Double scale
Find third proportional to 82,514 and 120,243
Similar ratio
Find third proportional to 123,768 and 180,360
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.46) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.