Home / 12,000-18,306

Finding the Third Proportional to 12,000 and 18,306

Calculator

Solution

The third proportional to 12,000 and 18,306 is: 27,925.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000 : 18,306 = 18,306 : x
  2. Step 2: Convert to fraction form
    12,000/18,306 = 18,306/x
  3. Step 3: Cross multiply
    12,000x = 18,306 × 18,306
  4. Step 4: Simplify right side
    12,000x = 335,109,636
  5. Step 5: Solve for x
    x = 335,109,636/12,000
  6. Step 6: Final answer
    x = 27,925.80

Related Problems

Find third proportional to 6,000 and 9,153
Half scale
Find third proportional to 24,000 and 36,612
Double scale
Find third proportional to 12,002 and 18,309
Similar ratio
Find third proportional to 18,000 and 27,459
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.