Home / 16,780-36,980

Finding the Third Proportional to 16,780 and 36,980

Calculator

Solution

The third proportional to 16,780 and 36,980 is: 81,497.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780 : 36,980 = 36,980 : x
  2. Step 2: Convert to fraction form
    16,780/36,980 = 36,980/x
  3. Step 3: Cross multiply
    16,780x = 36,980 × 36,980
  4. Step 4: Simplify right side
    16,780x = 1,367,520,400
  5. Step 5: Solve for x
    x = 1,367,520,400/16,780
  6. Step 6: Final answer
    x = 81,497.04

Related Problems

Find third proportional to 8,390 and 18,490
Half scale
Find third proportional to 33,560 and 73,960
Double scale
Find third proportional to 16,782 and 36,984
Similar ratio
Find third proportional to 25,170 and 55,470
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.