Home / 76,872-162,864

Finding the Third Proportional to 76,872 and 162,864

Calculator

Solution

The third proportional to 76,872 and 162,864 is: 345,049.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,872 : 162,864 = 162,864 : x
  2. Step 2: Convert to fraction form
    76,872/162,864 = 162,864/x
  3. Step 3: Cross multiply
    76,872x = 162,864 × 162,864
  4. Step 4: Simplify right side
    76,872x = 26,524,682,496
  5. Step 5: Solve for x
    x = 26,524,682,496/76,872
  6. Step 6: Final answer
    x = 345,049.99

Related Problems

Find third proportional to 38,436 and 81,432
Half scale
Find third proportional to 153,744 and 325,728
Double scale
Find third proportional to 76,874 and 162,868
Similar ratio
Find third proportional to 115,308 and 244,296
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.