Home / 8,500-11,422

Finding the Third Proportional to 8,500 and 11,422

Calculator

Solution

The third proportional to 8,500 and 11,422 is: 15,348.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,500 : 11,422 = 11,422 : x
  2. Step 2: Convert to fraction form
    8,500/11,422 = 11,422/x
  3. Step 3: Cross multiply
    8,500x = 11,422 × 11,422
  4. Step 4: Simplify right side
    8,500x = 130,462,084
  5. Step 5: Solve for x
    x = 130,462,084/8,500
  6. Step 6: Final answer
    x = 15,348.48

Related Problems

Find third proportional to 4,250 and 5,711
Half scale
Find third proportional to 17,000 and 22,844
Double scale
Find third proportional to 8,502 and 11,425
Similar ratio
Find third proportional to 12,750 and 17,133
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.