Home / 100,897-221,474

Finding the Third Proportional to 100,897 and 221,474

Calculator

Solution

The third proportional to 100,897 and 221,474 is: 486,146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,897 : 221,474 = 221,474 : x
  2. Step 2: Convert to fraction form
    100,897/221,474 = 221,474/x
  3. Step 3: Cross multiply
    100,897x = 221,474 × 221,474
  4. Step 4: Simplify right side
    100,897x = 49,050,732,676
  5. Step 5: Solve for x
    x = 49,050,732,676/100,897
  6. Step 6: Final answer
    x = 486,146.59

Related Problems

Find third proportional to 50,448.50 and 110,737
Half scale
Find third proportional to 201,794 and 442,948
Double scale
Find third proportional to 100,899 and 221,478
Similar ratio
Find third proportional to 151,345.50 and 332,211
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.