Home / 223,686-489,897

Finding the Third Proportional to 223,686 and 489,897

Calculator

Solution

The third proportional to 223,686 and 489,897 is: 1,072,928.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,686 : 489,897 = 489,897 : x
  2. Step 2: Convert to fraction form
    223,686/489,897 = 489,897/x
  3. Step 3: Cross multiply
    223,686x = 489,897 × 489,897
  4. Step 4: Simplify right side
    223,686x = 239,999,070,609
  5. Step 5: Solve for x
    x = 239,999,070,609/223,686
  6. Step 6: Final answer
    x = 1,072,928.44

Related Problems

Find third proportional to 111,843 and 244,948.50
Half scale
Find third proportional to 447,372 and 979,794
Double scale
Find third proportional to 223,688 and 489,901
Similar ratio
Find third proportional to 335,529 and 734,845.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.