Home / 206,998-427,210

Finding the Third Proportional to 206,998 and 427,210

Calculator

Solution

The third proportional to 206,998 and 427,210 is: 881,691.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,998 : 427,210 = 427,210 : x
  2. Step 2: Convert to fraction form
    206,998/427,210 = 427,210/x
  3. Step 3: Cross multiply
    206,998x = 427,210 × 427,210
  4. Step 4: Simplify right side
    206,998x = 182,508,384,100
  5. Step 5: Solve for x
    x = 182,508,384,100/206,998
  6. Step 6: Final answer
    x = 881,691.53

Related Problems

Find third proportional to 103,499 and 213,605
Half scale
Find third proportional to 413,996 and 854,420
Double scale
Find third proportional to 207,000 and 427,214
Similar ratio
Find third proportional to 310,497 and 640,815
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.06) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.