Home / 129,873-194,286

Finding the Third Proportional to 129,873 and 194,286

Calculator

Solution

The third proportional to 129,873 and 194,286 is: 290,645.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,873 : 194,286 = 194,286 : x
  2. Step 2: Convert to fraction form
    129,873/194,286 = 194,286/x
  3. Step 3: Cross multiply
    129,873x = 194,286 × 194,286
  4. Step 4: Simplify right side
    129,873x = 37,747,049,796
  5. Step 5: Solve for x
    x = 37,747,049,796/129,873
  6. Step 6: Final answer
    x = 290,645.86

Related Problems

Find third proportional to 64,936.50 and 97,143
Half scale
Find third proportional to 259,746 and 388,572
Double scale
Find third proportional to 129,875 and 194,289
Similar ratio
Find third proportional to 194,809.50 and 291,429
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.