Home / 19,890-27,882

Finding the Third Proportional to 19,890 and 27,882

Calculator

Solution

The third proportional to 19,890 and 27,882 is: 39,085.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,890 : 27,882 = 27,882 : x
  2. Step 2: Convert to fraction form
    19,890/27,882 = 27,882/x
  3. Step 3: Cross multiply
    19,890x = 27,882 × 27,882
  4. Step 4: Simplify right side
    19,890x = 777,405,924
  5. Step 5: Solve for x
    x = 777,405,924/19,890
  6. Step 6: Final answer
    x = 39,085.27

Related Problems

Find third proportional to 9,945 and 13,941
Half scale
Find third proportional to 39,780 and 55,764
Double scale
Find third proportional to 19,892 and 27,885
Similar ratio
Find third proportional to 29,835 and 41,823
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.