Home / 12,126-18,765

Finding the Third Proportional to 12,126 and 18,765

Calculator

Solution

The third proportional to 12,126 and 18,765 is: 29,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,126 : 18,765 = 18,765 : x
  2. Step 2: Convert to fraction form
    12,126/18,765 = 18,765/x
  3. Step 3: Cross multiply
    12,126x = 18,765 × 18,765
  4. Step 4: Simplify right side
    12,126x = 352,125,225
  5. Step 5: Solve for x
    x = 352,125,225/12,126
  6. Step 6: Final answer
    x = 29,038.86

Related Problems

Find third proportional to 6,063 and 9,382.50
Half scale
Find third proportional to 24,252 and 37,530
Double scale
Find third proportional to 12,128 and 18,768
Similar ratio
Find third proportional to 18,189 and 28,147.50
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.