Home / 486-920

Finding the Third Proportional to 486 and 920

Calculator

Solution

The third proportional to 486 and 920 is: 1,741.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    486 : 920 = 920 : x
  2. Step 2: Convert to fraction form
    486/920 = 920/x
  3. Step 3: Cross multiply
    486x = 920 × 920
  4. Step 4: Simplify right side
    486x = 846,400
  5. Step 5: Solve for x
    x = 846,400/486
  6. Step 6: Final answer
    x = 1,741.56

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.89) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.