Home / 19,928-29,939

Finding the Third Proportional to 19,928 and 29,939

Calculator

Solution

The third proportional to 19,928 and 29,939 is: 44,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928 : 29,939 = 29,939 : x
  2. Step 2: Convert to fraction form
    19,928/29,939 = 29,939/x
  3. Step 3: Cross multiply
    19,928x = 29,939 × 29,939
  4. Step 4: Simplify right side
    19,928x = 896,343,721
  5. Step 5: Solve for x
    x = 896,343,721/19,928
  6. Step 6: Final answer
    x = 44,979.11

Related Problems

Find third proportional to 9,964 and 14,969.50
Half scale
Find third proportional to 39,856 and 59,878
Double scale
Find third proportional to 19,930 and 29,942
Similar ratio
Find third proportional to 29,892 and 44,908.50
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.