Home / 21,176-29,074

Finding the Third Proportional to 21,176 and 29,074

Calculator

Solution

The third proportional to 21,176 and 29,074 is: 39,917.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,176 : 29,074 = 29,074 : x
  2. Step 2: Convert to fraction form
    21,176/29,074 = 29,074/x
  3. Step 3: Cross multiply
    21,176x = 29,074 × 29,074
  4. Step 4: Simplify right side
    21,176x = 845,297,476
  5. Step 5: Solve for x
    x = 845,297,476/21,176
  6. Step 6: Final answer
    x = 39,917.71

Related Problems

Find third proportional to 10,588 and 14,537
Half scale
Find third proportional to 42,352 and 58,148
Double scale
Find third proportional to 21,178 and 29,077
Similar ratio
Find third proportional to 31,764 and 43,611
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.