Home / 8,176-17,920

Finding the Third Proportional to 8,176 and 17,920

Calculator

Solution

The third proportional to 8,176 and 17,920 is: 39,276.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176 : 17,920 = 17,920 : x
  2. Step 2: Convert to fraction form
    8,176/17,920 = 17,920/x
  3. Step 3: Cross multiply
    8,176x = 17,920 × 17,920
  4. Step 4: Simplify right side
    8,176x = 321,126,400
  5. Step 5: Solve for x
    x = 321,126,400/8,176
  6. Step 6: Final answer
    x = 39,276.71

Related Problems

Find third proportional to 4,088 and 8,960
Half scale
Find third proportional to 16,352 and 35,840
Double scale
Find third proportional to 8,178 and 17,924
Similar ratio
Find third proportional to 12,264 and 26,880
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.