Home / 12,210-18,307

Finding the Third Proportional to 12,210 and 18,307

Calculator

Solution

The third proportional to 12,210 and 18,307 is: 27,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210 : 18,307 = 18,307 : x
  2. Step 2: Convert to fraction form
    12,210/18,307 = 18,307/x
  3. Step 3: Cross multiply
    12,210x = 18,307 × 18,307
  4. Step 4: Simplify right side
    12,210x = 335,146,249
  5. Step 5: Solve for x
    x = 335,146,249/12,210
  6. Step 6: Final answer
    x = 27,448.51

Related Problems

Find third proportional to 6,105 and 9,153.50
Half scale
Find third proportional to 24,420 and 36,614
Double scale
Find third proportional to 12,212 and 18,310
Similar ratio
Find third proportional to 18,315 and 27,460.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.