Home / 13,700-20,550

Finding the Third Proportional to 13,700 and 20,550

Calculator

Solution

The third proportional to 13,700 and 20,550 is: 30,825

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,700 : 20,550 = 20,550 : x
  2. Step 2: Convert to fraction form
    13,700/20,550 = 20,550/x
  3. Step 3: Cross multiply
    13,700x = 20,550 × 20,550
  4. Step 4: Simplify right side
    13,700x = 422,302,500
  5. Step 5: Solve for x
    x = 422,302,500/13,700
  6. Step 6: Final answer
    x = 30,825

Related Problems

Find third proportional to 6,850 and 10,275
Half scale
Find third proportional to 27,400 and 41,100
Double scale
Find third proportional to 13,702 and 20,553
Similar ratio
Find third proportional to 20,550 and 30,825
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.