Home / 8,394-18,087

Finding the Third Proportional to 8,394 and 18,087

Calculator

Solution

The third proportional to 8,394 and 18,087 is: 38,973.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,394 : 18,087 = 18,087 : x
  2. Step 2: Convert to fraction form
    8,394/18,087 = 18,087/x
  3. Step 3: Cross multiply
    8,394x = 18,087 × 18,087
  4. Step 4: Simplify right side
    8,394x = 327,139,569
  5. Step 5: Solve for x
    x = 327,139,569/8,394
  6. Step 6: Final answer
    x = 38,973.02

Related Problems

Find third proportional to 4,197 and 9,043.50
Half scale
Find third proportional to 16,788 and 36,174
Double scale
Find third proportional to 8,396 and 18,091
Similar ratio
Find third proportional to 12,591 and 27,130.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.