Home / 38,328-82,485

Finding the Third Proportional to 38,328 and 82,485

Calculator

Solution

The third proportional to 38,328 and 82,485 is: 177,514.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,328 : 82,485 = 82,485 : x
  2. Step 2: Convert to fraction form
    38,328/82,485 = 82,485/x
  3. Step 3: Cross multiply
    38,328x = 82,485 × 82,485
  4. Step 4: Simplify right side
    38,328x = 6,803,775,225
  5. Step 5: Solve for x
    x = 6,803,775,225/38,328
  6. Step 6: Final answer
    x = 177,514.49

Related Problems

Find third proportional to 19,164 and 41,242.50
Half scale
Find third proportional to 76,656 and 164,970
Double scale
Find third proportional to 38,330 and 82,489
Similar ratio
Find third proportional to 57,492 and 123,727.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.