Home / 19,560-27,869

Finding the Third Proportional to 19,560 and 27,869

Calculator

Solution

The third proportional to 19,560 and 27,869 is: 39,707.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560 : 27,869 = 27,869 : x
  2. Step 2: Convert to fraction form
    19,560/27,869 = 27,869/x
  3. Step 3: Cross multiply
    19,560x = 27,869 × 27,869
  4. Step 4: Simplify right side
    19,560x = 776,681,161
  5. Step 5: Solve for x
    x = 776,681,161/19,560
  6. Step 6: Final answer
    x = 39,707.63

Related Problems

Find third proportional to 9,780 and 13,934.50
Half scale
Find third proportional to 39,120 and 55,738
Double scale
Find third proportional to 19,562 and 27,872
Similar ratio
Find third proportional to 29,340 and 41,803.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.42) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.