Home / 8,289-18,162

Finding the Third Proportional to 8,289 and 18,162

Calculator

Solution

The third proportional to 8,289 and 18,162 is: 39,794.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,289 : 18,162 = 18,162 : x
  2. Step 2: Convert to fraction form
    8,289/18,162 = 18,162/x
  3. Step 3: Cross multiply
    8,289x = 18,162 × 18,162
  4. Step 4: Simplify right side
    8,289x = 329,858,244
  5. Step 5: Solve for x
    x = 329,858,244/8,289
  6. Step 6: Final answer
    x = 39,794.70

Related Problems

Find third proportional to 4,144.50 and 9,081
Half scale
Find third proportional to 16,578 and 36,324
Double scale
Find third proportional to 8,291 and 18,166
Similar ratio
Find third proportional to 12,433.50 and 27,243
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.