Home / 324-855

Finding the Third Proportional to 324 and 855

Calculator

Solution

The third proportional to 324 and 855 is: 2,256.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    324 : 855 = 855 : x
  2. Step 2: Convert to fraction form
    324/855 = 855/x
  3. Step 3: Cross multiply
    324x = 855 × 855
  4. Step 4: Simplify right side
    324x = 731,025
  5. Step 5: Solve for x
    x = 731,025/324
  6. Step 6: Final answer
    x = 2,256.25

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.