Home / 8,716-13,156

Finding the Third Proportional to 8,716 and 13,156

Calculator

Solution

The third proportional to 8,716 and 13,156 is: 19,857.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716 : 13,156 = 13,156 : x
  2. Step 2: Convert to fraction form
    8,716/13,156 = 13,156/x
  3. Step 3: Cross multiply
    8,716x = 13,156 × 13,156
  4. Step 4: Simplify right side
    8,716x = 173,080,336
  5. Step 5: Solve for x
    x = 173,080,336/8,716
  6. Step 6: Final answer
    x = 19,857.77

Related Problems

Find third proportional to 4,358 and 6,578
Half scale
Find third proportional to 17,432 and 26,312
Double scale
Find third proportional to 8,718 and 13,159
Similar ratio
Find third proportional to 13,074 and 19,734
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.