Home / 15,453-16,695

Finding the Third Proportional to 15,453 and 16,695

Calculator

Solution

The third proportional to 15,453 and 16,695 is: 18,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453 : 16,695 = 16,695 : x
  2. Step 2: Convert to fraction form
    15,453/16,695 = 16,695/x
  3. Step 3: Cross multiply
    15,453x = 16,695 × 16,695
  4. Step 4: Simplify right side
    15,453x = 278,723,025
  5. Step 5: Solve for x
    x = 278,723,025/15,453
  6. Step 6: Final answer
    x = 18,036.82

Related Problems

Find third proportional to 7,726.50 and 8,347.50
Half scale
Find third proportional to 30,906 and 33,390
Double scale
Find third proportional to 15,455 and 16,697
Similar ratio
Find third proportional to 23,179.50 and 25,042.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.