Home / 13,608-15,768

Finding the Third Proportional to 13,608 and 15,768

Calculator

Solution

The third proportional to 13,608 and 15,768 is: 18,270.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608 : 15,768 = 15,768 : x
  2. Step 2: Convert to fraction form
    13,608/15,768 = 15,768/x
  3. Step 3: Cross multiply
    13,608x = 15,768 × 15,768
  4. Step 4: Simplify right side
    13,608x = 248,629,824
  5. Step 5: Solve for x
    x = 248,629,824/13,608
  6. Step 6: Final answer
    x = 18,270.86

Related Problems

Find third proportional to 6,804 and 7,884
Half scale
Find third proportional to 27,216 and 31,536
Double scale
Find third proportional to 13,610 and 15,770
Similar ratio
Find third proportional to 20,412 and 23,652
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.