Home / 10,421-21,267

Finding the Third Proportional to 10,421 and 21,267

Calculator

Solution

The third proportional to 10,421 and 21,267 is: 43,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,421 : 21,267 = 21,267 : x
  2. Step 2: Convert to fraction form
    10,421/21,267 = 21,267/x
  3. Step 3: Cross multiply
    10,421x = 21,267 × 21,267
  4. Step 4: Simplify right side
    10,421x = 452,285,289
  5. Step 5: Solve for x
    x = 452,285,289/10,421
  6. Step 6: Final answer
    x = 43,401.33

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.04) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.