Home / 490-834

Finding the Third Proportional to 490 and 834

Calculator

Solution

The third proportional to 490 and 834 is: 1,419.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    490 : 834 = 834 : x
  2. Step 2: Convert to fraction form
    490/834 = 834/x
  3. Step 3: Cross multiply
    490x = 834 × 834
  4. Step 4: Simplify right side
    490x = 695,556
  5. Step 5: Solve for x
    x = 695,556/490
  6. Step 6: Final answer
    x = 1,419.50

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.