Home / 81,538-124,738

Finding the Third Proportional to 81,538 and 124,738

Calculator

Solution

The third proportional to 81,538 and 124,738 is: 190,825.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,538 : 124,738 = 124,738 : x
  2. Step 2: Convert to fraction form
    81,538/124,738 = 124,738/x
  3. Step 3: Cross multiply
    81,538x = 124,738 × 124,738
  4. Step 4: Simplify right side
    81,538x = 15,559,568,644
  5. Step 5: Solve for x
    x = 15,559,568,644/81,538
  6. Step 6: Final answer
    x = 190,825.98

Related Problems

Find third proportional to 40,769 and 62,369
Half scale
Find third proportional to 163,076 and 249,476
Double scale
Find third proportional to 81,540 and 124,741
Similar ratio
Find third proportional to 122,307 and 187,107
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.