Home / 15,156-16,416

Finding the Third Proportional to 15,156 and 16,416

Calculator

Solution

The third proportional to 15,156 and 16,416 is: 17,780.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156 : 16,416 = 16,416 : x
  2. Step 2: Convert to fraction form
    15,156/16,416 = 16,416/x
  3. Step 3: Cross multiply
    15,156x = 16,416 × 16,416
  4. Step 4: Simplify right side
    15,156x = 269,485,056
  5. Step 5: Solve for x
    x = 269,485,056/15,156
  6. Step 6: Final answer
    x = 17,780.75

Related Problems

Find third proportional to 7,578 and 8,208
Half scale
Find third proportional to 30,312 and 32,832
Double scale
Find third proportional to 15,158 and 16,418
Similar ratio
Find third proportional to 22,734 and 24,624
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.