Home / 43,190-57,399

Finding the Third Proportional to 43,190 and 57,399

Calculator

Solution

The third proportional to 43,190 and 57,399 is: 76,282.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,190 : 57,399 = 57,399 : x
  2. Step 2: Convert to fraction form
    43,190/57,399 = 57,399/x
  3. Step 3: Cross multiply
    43,190x = 57,399 × 57,399
  4. Step 4: Simplify right side
    43,190x = 3,294,645,201
  5. Step 5: Solve for x
    x = 3,294,645,201/43,190
  6. Step 6: Final answer
    x = 76,282.59

Related Problems

Find third proportional to 21,595 and 28,699.50
Half scale
Find third proportional to 86,380 and 114,798
Double scale
Find third proportional to 43,192 and 57,402
Similar ratio
Find third proportional to 64,785 and 86,098.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.