Home / 20,005-36,911

Finding the Third Proportional to 20,005 and 36,911

Calculator

Solution

The third proportional to 20,005 and 36,911 is: 68,104.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,005 : 36,911 = 36,911 : x
  2. Step 2: Convert to fraction form
    20,005/36,911 = 36,911/x
  3. Step 3: Cross multiply
    20,005x = 36,911 × 36,911
  4. Step 4: Simplify right side
    20,005x = 1,362,421,921
  5. Step 5: Solve for x
    x = 1,362,421,921/20,005
  6. Step 6: Final answer
    x = 68,104.07

Related Problems

Find third proportional to 10,002.50 and 18,455.50
Half scale
Find third proportional to 40,010 and 73,822
Double scale
Find third proportional to 20,007 and 36,915
Similar ratio
Find third proportional to 30,007.50 and 55,366.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.