Home / 100,590-209,442

Finding the Third Proportional to 100,590 and 209,442

Calculator

Solution

The third proportional to 100,590 and 209,442 is: 436,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,590 : 209,442 = 209,442 : x
  2. Step 2: Convert to fraction form
    100,590/209,442 = 209,442/x
  3. Step 3: Cross multiply
    100,590x = 209,442 × 209,442
  4. Step 4: Simplify right side
    100,590x = 43,865,951,364
  5. Step 5: Solve for x
    x = 43,865,951,364/100,590
  6. Step 6: Final answer
    x = 436,086.60

Related Problems

Find third proportional to 50,295 and 104,721
Half scale
Find third proportional to 201,180 and 418,884
Double scale
Find third proportional to 100,592 and 209,446
Similar ratio
Find third proportional to 150,885 and 314,163
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.