Home / 18,628-38,244

Finding the Third Proportional to 18,628 and 38,244

Calculator

Solution

The third proportional to 18,628 and 38,244 is: 78,516.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,628 : 38,244 = 38,244 : x
  2. Step 2: Convert to fraction form
    18,628/38,244 = 38,244/x
  3. Step 3: Cross multiply
    18,628x = 38,244 × 38,244
  4. Step 4: Simplify right side
    18,628x = 1,462,603,536
  5. Step 5: Solve for x
    x = 1,462,603,536/18,628
  6. Step 6: Final answer
    x = 78,516.40

Related Problems

Find third proportional to 9,314 and 19,122
Half scale
Find third proportional to 37,256 and 76,488
Double scale
Find third proportional to 18,630 and 38,248
Similar ratio
Find third proportional to 27,942 and 57,366
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.05) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.