Home / 620-1,051

Finding the Third Proportional to 620 and 1,051

Calculator

Solution

The third proportional to 620 and 1,051 is: 1,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    620 : 1,051 = 1,051 : x
  2. Step 2: Convert to fraction form
    620/1,051 = 1,051/x
  3. Step 3: Cross multiply
    620x = 1,051 × 1,051
  4. Step 4: Simplify right side
    620x = 1,104,601
  5. Step 5: Solve for x
    x = 1,104,601/620
  6. Step 6: Final answer
    x = 1,781.61

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.