Home / 21,474-24,876

Finding the Third Proportional to 21,474 and 24,876

Calculator

Solution

The third proportional to 21,474 and 24,876 is: 28,816.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,474 : 24,876 = 24,876 : x
  2. Step 2: Convert to fraction form
    21,474/24,876 = 24,876/x
  3. Step 3: Cross multiply
    21,474x = 24,876 × 24,876
  4. Step 4: Simplify right side
    21,474x = 618,815,376
  5. Step 5: Solve for x
    x = 618,815,376/21,474
  6. Step 6: Final answer
    x = 28,816.96

Related Problems

Find third proportional to 10,737 and 12,438
Half scale
Find third proportional to 42,948 and 49,752
Double scale
Find third proportional to 21,476 and 24,878
Similar ratio
Find third proportional to 32,211 and 37,314
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.