Home / 13,578-20,894

Finding the Third Proportional to 13,578 and 20,894

Calculator

Solution

The third proportional to 13,578 and 20,894 is: 32,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578 : 20,894 = 20,894 : x
  2. Step 2: Convert to fraction form
    13,578/20,894 = 20,894/x
  3. Step 3: Cross multiply
    13,578x = 20,894 × 20,894
  4. Step 4: Simplify right side
    13,578x = 436,559,236
  5. Step 5: Solve for x
    x = 436,559,236/13,578
  6. Step 6: Final answer
    x = 32,151.95

Related Problems

Find third proportional to 6,789 and 10,447
Half scale
Find third proportional to 27,156 and 41,788
Double scale
Find third proportional to 13,580 and 20,897
Similar ratio
Find third proportional to 20,367 and 31,341
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.