Home / 957-1,689

Finding the Third Proportional to 957 and 1,689

Calculator

Solution

The third proportional to 957 and 1,689 is: 2,980.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    957 : 1,689 = 1,689 : x
  2. Step 2: Convert to fraction form
    957/1,689 = 1,689/x
  3. Step 3: Cross multiply
    957x = 1,689 × 1,689
  4. Step 4: Simplify right side
    957x = 2,852,721
  5. Step 5: Solve for x
    x = 2,852,721/957
  6. Step 6: Final answer
    x = 2,980.90

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.76) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.