Home / 53,450-82,840

Finding the Third Proportional to 53,450 and 82,840

Calculator

Solution

The third proportional to 53,450 and 82,840 is: 128,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,450 : 82,840 = 82,840 : x
  2. Step 2: Convert to fraction form
    53,450/82,840 = 82,840/x
  3. Step 3: Cross multiply
    53,450x = 82,840 × 82,840
  4. Step 4: Simplify right side
    53,450x = 6,862,465,600
  5. Step 5: Solve for x
    x = 6,862,465,600/53,450
  6. Step 6: Final answer
    x = 128,390.38

Related Problems

Find third proportional to 26,725 and 41,420
Half scale
Find third proportional to 106,900 and 165,680
Double scale
Find third proportional to 53,452 and 82,843
Similar ratio
Find third proportional to 80,175 and 124,260
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.