Home / 207,956-289,744

Finding the Third Proportional to 207,956 and 289,744

Calculator

Solution

The third proportional to 207,956 and 289,744 is: 403,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,956 : 289,744 = 289,744 : x
  2. Step 2: Convert to fraction form
    207,956/289,744 = 289,744/x
  3. Step 3: Cross multiply
    207,956x = 289,744 × 289,744
  4. Step 4: Simplify right side
    207,956x = 83,951,585,536
  5. Step 5: Solve for x
    x = 83,951,585,536/207,956
  6. Step 6: Final answer
    x = 403,698.79

Related Problems

Find third proportional to 103,978 and 144,872
Half scale
Find third proportional to 415,912 and 579,488
Double scale
Find third proportional to 207,958 and 289,747
Similar ratio
Find third proportional to 311,934 and 434,616
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.