Home / 13,360-19,976

Finding the Third Proportional to 13,360 and 19,976

Calculator

Solution

The third proportional to 13,360 and 19,976 is: 29,868.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,360 : 19,976 = 19,976 : x
  2. Step 2: Convert to fraction form
    13,360/19,976 = 19,976/x
  3. Step 3: Cross multiply
    13,360x = 19,976 × 19,976
  4. Step 4: Simplify right side
    13,360x = 399,040,576
  5. Step 5: Solve for x
    x = 399,040,576/13,360
  6. Step 6: Final answer
    x = 29,868.31

Related Problems

Find third proportional to 6,680 and 9,988
Half scale
Find third proportional to 26,720 and 39,952
Double scale
Find third proportional to 13,362 and 19,979
Similar ratio
Find third proportional to 20,040 and 29,964
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.