Home / 20,428-23,668

Finding the Third Proportional to 20,428 and 23,668

Calculator

Solution

The third proportional to 20,428 and 23,668 is: 27,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,428 : 23,668 = 23,668 : x
  2. Step 2: Convert to fraction form
    20,428/23,668 = 23,668/x
  3. Step 3: Cross multiply
    20,428x = 23,668 × 23,668
  4. Step 4: Simplify right side
    20,428x = 560,174,224
  5. Step 5: Solve for x
    x = 560,174,224/20,428
  6. Step 6: Final answer
    x = 27,421.88

Related Problems

Find third proportional to 10,214 and 11,834
Half scale
Find third proportional to 40,856 and 47,336
Double scale
Find third proportional to 20,430 and 23,670
Similar ratio
Find third proportional to 30,642 and 35,502
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.