Home / 63,828-138,825

Finding the Third Proportional to 63,828 and 138,825

Calculator

Solution

The third proportional to 63,828 and 138,825 is: 301,942.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,828 : 138,825 = 138,825 : x
  2. Step 2: Convert to fraction form
    63,828/138,825 = 138,825/x
  3. Step 3: Cross multiply
    63,828x = 138,825 × 138,825
  4. Step 4: Simplify right side
    63,828x = 19,272,380,625
  5. Step 5: Solve for x
    x = 19,272,380,625/63,828
  6. Step 6: Final answer
    x = 301,942.42

Related Problems

Find third proportional to 31,914 and 69,412.50
Half scale
Find third proportional to 127,656 and 277,650
Double scale
Find third proportional to 63,830 and 138,829
Similar ratio
Find third proportional to 95,742 and 208,237.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.