Home / 11,728-15,798

Finding the Third Proportional to 11,728 and 15,798

Calculator

Solution

The third proportional to 11,728 and 15,798 is: 21,280.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728 : 15,798 = 15,798 : x
  2. Step 2: Convert to fraction form
    11,728/15,798 = 15,798/x
  3. Step 3: Cross multiply
    11,728x = 15,798 × 15,798
  4. Step 4: Simplify right side
    11,728x = 249,576,804
  5. Step 5: Solve for x
    x = 249,576,804/11,728
  6. Step 6: Final answer
    x = 21,280.42

Related Problems

Find third proportional to 5,864 and 7,899
Half scale
Find third proportional to 23,456 and 31,596
Double scale
Find third proportional to 11,730 and 15,801
Similar ratio
Find third proportional to 17,592 and 23,697
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.