Home / 51,485-112,811

Finding the Third Proportional to 51,485 and 112,811

Calculator

Solution

The third proportional to 51,485 and 112,811 is: 247,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,485 : 112,811 = 112,811 : x
  2. Step 2: Convert to fraction form
    51,485/112,811 = 112,811/x
  3. Step 3: Cross multiply
    51,485x = 112,811 × 112,811
  4. Step 4: Simplify right side
    51,485x = 12,726,321,721
  5. Step 5: Solve for x
    x = 12,726,321,721/51,485
  6. Step 6: Final answer
    x = 247,185.04

Related Problems

Find third proportional to 25,742.50 and 56,405.50
Half scale
Find third proportional to 102,970 and 225,622
Double scale
Find third proportional to 51,487 and 112,815
Similar ratio
Find third proportional to 77,227.50 and 169,216.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.