Home / 13,330-20,731

Finding the Third Proportional to 13,330 and 20,731

Calculator

Solution

The third proportional to 13,330 and 20,731 is: 32,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,330 : 20,731 = 20,731 : x
  2. Step 2: Convert to fraction form
    13,330/20,731 = 20,731/x
  3. Step 3: Cross multiply
    13,330x = 20,731 × 20,731
  4. Step 4: Simplify right side
    13,330x = 429,774,361
  5. Step 5: Solve for x
    x = 429,774,361/13,330
  6. Step 6: Final answer
    x = 32,241.14

Related Problems

Find third proportional to 6,665 and 10,365.50
Half scale
Find third proportional to 26,660 and 41,462
Double scale
Find third proportional to 13,332 and 20,734
Similar ratio
Find third proportional to 19,995 and 31,096.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.