Home / 11,910-18,435

Finding the Third Proportional to 11,910 and 18,435

Calculator

Solution

The third proportional to 11,910 and 18,435 is: 28,534.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,910 : 18,435 = 18,435 : x
  2. Step 2: Convert to fraction form
    11,910/18,435 = 18,435/x
  3. Step 3: Cross multiply
    11,910x = 18,435 × 18,435
  4. Step 4: Simplify right side
    11,910x = 339,849,225
  5. Step 5: Solve for x
    x = 339,849,225/11,910
  6. Step 6: Final answer
    x = 28,534.78

Related Problems

Find third proportional to 5,955 and 9,217.50
Half scale
Find third proportional to 23,820 and 36,870
Double scale
Find third proportional to 11,912 and 18,438
Similar ratio
Find third proportional to 17,865 and 27,652.50
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.