Home / 28,578-43,992

Finding the Third Proportional to 28,578 and 43,992

Calculator

Solution

The third proportional to 28,578 and 43,992 is: 67,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,578 : 43,992 = 43,992 : x
  2. Step 2: Convert to fraction form
    28,578/43,992 = 43,992/x
  3. Step 3: Cross multiply
    28,578x = 43,992 × 43,992
  4. Step 4: Simplify right side
    28,578x = 1,935,296,064
  5. Step 5: Solve for x
    x = 1,935,296,064/28,578
  6. Step 6: Final answer
    x = 67,719.79

Related Problems

Find third proportional to 14,289 and 21,996
Half scale
Find third proportional to 57,156 and 87,984
Double scale
Find third proportional to 28,580 and 43,995
Similar ratio
Find third proportional to 42,867 and 65,988
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.