Home / 43,569-67,311

Finding the Third Proportional to 43,569 and 67,311

Calculator

Solution

The third proportional to 43,569 and 67,311 is: 103,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,569 : 67,311 = 67,311 : x
  2. Step 2: Convert to fraction form
    43,569/67,311 = 67,311/x
  3. Step 3: Cross multiply
    43,569x = 67,311 × 67,311
  4. Step 4: Simplify right side
    43,569x = 4,530,770,721
  5. Step 5: Solve for x
    x = 4,530,770,721/43,569
  6. Step 6: Final answer
    x = 103,990.70

Related Problems

Find third proportional to 21,784.50 and 33,655.50
Half scale
Find third proportional to 87,138 and 134,622
Double scale
Find third proportional to 43,571 and 67,314
Similar ratio
Find third proportional to 65,353.50 and 100,966.50
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.