Home / 121,863-188,326

Finding the Third Proportional to 121,863 and 188,326

Calculator

Solution

The third proportional to 121,863 and 188,326 is: 291,037.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,863 : 188,326 = 188,326 : x
  2. Step 2: Convert to fraction form
    121,863/188,326 = 188,326/x
  3. Step 3: Cross multiply
    121,863x = 188,326 × 188,326
  4. Step 4: Simplify right side
    121,863x = 35,466,682,276
  5. Step 5: Solve for x
    x = 35,466,682,276/121,863
  6. Step 6: Final answer
    x = 291,037.33

Related Problems

Find third proportional to 60,931.50 and 94,163
Half scale
Find third proportional to 243,726 and 376,652
Double scale
Find third proportional to 121,865 and 188,329
Similar ratio
Find third proportional to 182,794.50 and 282,489
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.