Home / 15,963.75-18,636.75

Finding the Third Proportional to 15,963.75 and 18,636.75

Calculator

Solution

The third proportional to 15,963.75 and 18,636.75 is: 21,757.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,963.75 : 18,636.75 = 18,636.75 : x
  2. Step 2: Convert to fraction form
    15,963.75/18,636.75 = 18,636.75/x
  3. Step 3: Cross multiply
    15,963.75x = 18,636.75 × 18,636.75
  4. Step 4: Simplify right side
    15,963.75x = 347,328,450.56
  5. Step 5: Solve for x
    x = 347,328,450.56/15,963.75
  6. Step 6: Final answer
    x = 21,757.32

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.