Home / 19,878-29,351

Finding the Third Proportional to 19,878 and 29,351

Calculator

Solution

The third proportional to 19,878 and 29,351 is: 43,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,878 : 29,351 = 29,351 : x
  2. Step 2: Convert to fraction form
    19,878/29,351 = 29,351/x
  3. Step 3: Cross multiply
    19,878x = 29,351 × 29,351
  4. Step 4: Simplify right side
    19,878x = 861,481,201
  5. Step 5: Solve for x
    x = 861,481,201/19,878
  6. Step 6: Final answer
    x = 43,338.42

Related Problems

Find third proportional to 9,939 and 14,675.50
Half scale
Find third proportional to 39,756 and 58,702
Double scale
Find third proportional to 19,880 and 29,354
Similar ratio
Find third proportional to 29,817 and 44,026.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.