Home / 10,668-16,690

Finding the Third Proportional to 10,668 and 16,690

Calculator

Solution

The third proportional to 10,668 and 16,690 is: 26,111.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,668 : 16,690 = 16,690 : x
  2. Step 2: Convert to fraction form
    10,668/16,690 = 16,690/x
  3. Step 3: Cross multiply
    10,668x = 16,690 × 16,690
  4. Step 4: Simplify right side
    10,668x = 278,556,100
  5. Step 5: Solve for x
    x = 278,556,100/10,668
  6. Step 6: Final answer
    x = 26,111.37

Related Problems

Find third proportional to 5,334 and 8,345
Half scale
Find third proportional to 21,336 and 33,380
Double scale
Find third proportional to 10,670 and 16,693
Similar ratio
Find third proportional to 16,002 and 25,035
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.