Home / 81,724-130,116

Finding the Third Proportional to 81,724 and 130,116

Calculator

Solution

The third proportional to 81,724 and 130,116 is: 207,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,724 : 130,116 = 130,116 : x
  2. Step 2: Convert to fraction form
    81,724/130,116 = 130,116/x
  3. Step 3: Cross multiply
    81,724x = 130,116 × 130,116
  4. Step 4: Simplify right side
    81,724x = 16,930,173,456
  5. Step 5: Solve for x
    x = 16,930,173,456/81,724
  6. Step 6: Final answer
    x = 207,162.81

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.