Home / 16,866-39,405

Finding the Third Proportional to 16,866 and 39,405

Calculator

Solution

The third proportional to 16,866 and 39,405 is: 92,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866 : 39,405 = 39,405 : x
  2. Step 2: Convert to fraction form
    16,866/39,405 = 39,405/x
  3. Step 3: Cross multiply
    16,866x = 39,405 × 39,405
  4. Step 4: Simplify right side
    16,866x = 1,552,754,025
  5. Step 5: Solve for x
    x = 1,552,754,025/16,866
  6. Step 6: Final answer
    x = 92,064.15

Related Problems

Find third proportional to 8,433 and 19,702.50
Half scale
Find third proportional to 33,732 and 78,810
Double scale
Find third proportional to 16,868 and 39,410
Similar ratio
Find third proportional to 25,299 and 59,107.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.