Home / 8,689-16,945

Finding the Third Proportional to 8,689 and 16,945

Calculator

Solution

The third proportional to 8,689 and 16,945 is: 33,045.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,689 : 16,945 = 16,945 : x
  2. Step 2: Convert to fraction form
    8,689/16,945 = 16,945/x
  3. Step 3: Cross multiply
    8,689x = 16,945 × 16,945
  4. Step 4: Simplify right side
    8,689x = 287,133,025
  5. Step 5: Solve for x
    x = 287,133,025/8,689
  6. Step 6: Final answer
    x = 33,045.58

Related Problems

Find third proportional to 4,344.50 and 8,472.50
Half scale
Find third proportional to 17,378 and 33,890
Double scale
Find third proportional to 8,691 and 16,949
Similar ratio
Find third proportional to 13,033.50 and 25,417.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.95) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.