Home / 16,821-38,151

Finding the Third Proportional to 16,821 and 38,151

Calculator

Solution

The third proportional to 16,821 and 38,151 is: 86,528.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,821 : 38,151 = 38,151 : x
  2. Step 2: Convert to fraction form
    16,821/38,151 = 38,151/x
  3. Step 3: Cross multiply
    16,821x = 38,151 × 38,151
  4. Step 4: Simplify right side
    16,821x = 1,455,498,801
  5. Step 5: Solve for x
    x = 1,455,498,801/16,821
  6. Step 6: Final answer
    x = 86,528.67

Related Problems

Find third proportional to 8,410.50 and 19,075.50
Half scale
Find third proportional to 33,642 and 76,302
Double scale
Find third proportional to 16,823 and 38,156
Similar ratio
Find third proportional to 25,231.50 and 57,226.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.27) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.