Home / 101,910-211,020

Finding the Third Proportional to 101,910 and 211,020

Calculator

Solution

The third proportional to 101,910 and 211,020 is: 436,948.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,910 : 211,020 = 211,020 : x
  2. Step 2: Convert to fraction form
    101,910/211,020 = 211,020/x
  3. Step 3: Cross multiply
    101,910x = 211,020 × 211,020
  4. Step 4: Simplify right side
    101,910x = 44,529,440,400
  5. Step 5: Solve for x
    x = 44,529,440,400/101,910
  6. Step 6: Final answer
    x = 436,948.68

Related Problems

Find third proportional to 50,955 and 105,510
Half scale
Find third proportional to 203,820 and 422,040
Double scale
Find third proportional to 101,912 and 211,024
Similar ratio
Find third proportional to 152,865 and 316,530
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.07) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.