Home / 28,686-61,767

Finding the Third Proportional to 28,686 and 61,767

Calculator

Solution

The third proportional to 28,686 and 61,767 is: 132,997.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,686 : 61,767 = 61,767 : x
  2. Step 2: Convert to fraction form
    28,686/61,767 = 61,767/x
  3. Step 3: Cross multiply
    28,686x = 61,767 × 61,767
  4. Step 4: Simplify right side
    28,686x = 3,815,162,289
  5. Step 5: Solve for x
    x = 3,815,162,289/28,686
  6. Step 6: Final answer
    x = 132,997.36

Related Problems

Find third proportional to 14,343 and 30,883.50
Half scale
Find third proportional to 57,372 and 123,534
Double scale
Find third proportional to 28,688 and 61,771
Similar ratio
Find third proportional to 43,029 and 92,650.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.