Home / 18,105-38,676

Finding the Third Proportional to 18,105 and 38,676

Calculator

Solution

The third proportional to 18,105 and 38,676 is: 82,619.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,105 : 38,676 = 38,676 : x
  2. Step 2: Convert to fraction form
    18,105/38,676 = 38,676/x
  3. Step 3: Cross multiply
    18,105x = 38,676 × 38,676
  4. Step 4: Simplify right side
    18,105x = 1,495,832,976
  5. Step 5: Solve for x
    x = 1,495,832,976/18,105
  6. Step 6: Final answer
    x = 82,619.88

Related Problems

Find third proportional to 9,052.50 and 19,338
Half scale
Find third proportional to 36,210 and 77,352
Double scale
Find third proportional to 18,107 and 38,680
Similar ratio
Find third proportional to 27,157.50 and 58,014
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.