Home / 15,408-19,744

Finding the Third Proportional to 15,408 and 19,744

Calculator

Solution

The third proportional to 15,408 and 19,744 is: 25,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408 : 19,744 = 19,744 : x
  2. Step 2: Convert to fraction form
    15,408/19,744 = 19,744/x
  3. Step 3: Cross multiply
    15,408x = 19,744 × 19,744
  4. Step 4: Simplify right side
    15,408x = 389,825,536
  5. Step 5: Solve for x
    x = 389,825,536/15,408
  6. Step 6: Final answer
    x = 25,300.20

Related Problems

Find third proportional to 7,704 and 9,872
Half scale
Find third proportional to 30,816 and 39,488
Double scale
Find third proportional to 15,410 and 19,747
Similar ratio
Find third proportional to 23,112 and 29,616
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.28) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.