Home / 206,406-328,370

Finding the Third Proportional to 206,406 and 328,370

Calculator

Solution

The third proportional to 206,406 and 328,370 is: 522,401.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,406 : 328,370 = 328,370 : x
  2. Step 2: Convert to fraction form
    206,406/328,370 = 328,370/x
  3. Step 3: Cross multiply
    206,406x = 328,370 × 328,370
  4. Step 4: Simplify right side
    206,406x = 107,826,856,900
  5. Step 5: Solve for x
    x = 107,826,856,900/206,406
  6. Step 6: Final answer
    x = 522,401.76

Related Problems

Find third proportional to 103,203 and 164,185
Half scale
Find third proportional to 412,812 and 656,740
Double scale
Find third proportional to 206,408 and 328,373
Similar ratio
Find third proportional to 309,609 and 492,555
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.