Home / 54,018-81,765

Finding the Third Proportional to 54,018 and 81,765

Calculator

Solution

The third proportional to 54,018 and 81,765 is: 123,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,018 : 81,765 = 81,765 : x
  2. Step 2: Convert to fraction form
    54,018/81,765 = 81,765/x
  3. Step 3: Cross multiply
    54,018x = 81,765 × 81,765
  4. Step 4: Simplify right side
    54,018x = 6,685,515,225
  5. Step 5: Solve for x
    x = 6,685,515,225/54,018
  6. Step 6: Final answer
    x = 123,764.58

Related Problems

Find third proportional to 27,009 and 40,882.50
Half scale
Find third proportional to 108,036 and 163,530
Double scale
Find third proportional to 54,020 and 81,768
Similar ratio
Find third proportional to 81,027 and 122,647.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.