Home / 7,202-10,809

Finding the Third Proportional to 7,202 and 10,809

Calculator

Solution

The third proportional to 7,202 and 10,809 is: 16,222.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,202 : 10,809 = 10,809 : x
  2. Step 2: Convert to fraction form
    7,202/10,809 = 10,809/x
  3. Step 3: Cross multiply
    7,202x = 10,809 × 10,809
  4. Step 4: Simplify right side
    7,202x = 116,834,481
  5. Step 5: Solve for x
    x = 116,834,481/7,202
  6. Step 6: Final answer
    x = 16,222.50

Related Problems

Find third proportional to 3,601 and 5,404.50
Half scale
Find third proportional to 14,404 and 21,618
Double scale
Find third proportional to 7,204 and 10,812
Similar ratio
Find third proportional to 10,803 and 16,213.50
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.