Home / 13,516-20,219

Finding the Third Proportional to 13,516 and 20,219

Calculator

Solution

The third proportional to 13,516 and 20,219 is: 30,246.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516 : 20,219 = 20,219 : x
  2. Step 2: Convert to fraction form
    13,516/20,219 = 20,219/x
  3. Step 3: Cross multiply
    13,516x = 20,219 × 20,219
  4. Step 4: Simplify right side
    13,516x = 408,807,961
  5. Step 5: Solve for x
    x = 408,807,961/13,516
  6. Step 6: Final answer
    x = 30,246.22

Related Problems

Find third proportional to 6,758 and 10,109.50
Half scale
Find third proportional to 27,032 and 40,438
Double scale
Find third proportional to 13,518 and 20,222
Similar ratio
Find third proportional to 20,274 and 30,328.50
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.