Home / 16,780-36,170

Finding the Third Proportional to 16,780 and 36,170

Calculator

Solution

The third proportional to 16,780 and 36,170 is: 77,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,780 : 36,170 = 36,170 : x
  2. Step 2: Convert to fraction form
    16,780/36,170 = 36,170/x
  3. Step 3: Cross multiply
    16,780x = 36,170 × 36,170
  4. Step 4: Simplify right side
    16,780x = 1,308,268,900
  5. Step 5: Solve for x
    x = 1,308,268,900/16,780
  6. Step 6: Final answer
    x = 77,965.97

Related Problems

Find third proportional to 8,390 and 18,085
Half scale
Find third proportional to 33,560 and 72,340
Double scale
Find third proportional to 16,782 and 36,174
Similar ratio
Find third proportional to 25,170 and 54,255
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.