Home / 6,658-9,219

Finding the Third Proportional to 6,658 and 9,219

Calculator

Solution

The third proportional to 6,658 and 9,219 is: 12,765.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658 : 9,219 = 9,219 : x
  2. Step 2: Convert to fraction form
    6,658/9,219 = 9,219/x
  3. Step 3: Cross multiply
    6,658x = 9,219 × 9,219
  4. Step 4: Simplify right side
    6,658x = 84,989,961
  5. Step 5: Solve for x
    x = 84,989,961/6,658
  6. Step 6: Final answer
    x = 12,765.09

Related Problems

Find third proportional to 3,329 and 4,609.50
Half scale
Find third proportional to 13,316 and 18,438
Double scale
Find third proportional to 6,660 and 9,222
Similar ratio
Find third proportional to 9,987 and 13,828.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.