Home / 20,738-27,219

Finding the Third Proportional to 20,738 and 27,219

Calculator

Solution

The third proportional to 20,738 and 27,219 is: 35,725.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,738 : 27,219 = 27,219 : x
  2. Step 2: Convert to fraction form
    20,738/27,219 = 27,219/x
  3. Step 3: Cross multiply
    20,738x = 27,219 × 27,219
  4. Step 4: Simplify right side
    20,738x = 740,873,961
  5. Step 5: Solve for x
    x = 740,873,961/20,738
  6. Step 6: Final answer
    x = 35,725.43

Related Problems

Find third proportional to 10,369 and 13,609.50
Half scale
Find third proportional to 41,476 and 54,438
Double scale
Find third proportional to 20,740 and 27,222
Similar ratio
Find third proportional to 31,107 and 40,828.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.