Home / 221,110-519,770

Finding the Third Proportional to 221,110 and 519,770

Calculator

Solution

The third proportional to 221,110 and 519,770 is: 1,221,839.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,110 : 519,770 = 519,770 : x
  2. Step 2: Convert to fraction form
    221,110/519,770 = 519,770/x
  3. Step 3: Cross multiply
    221,110x = 519,770 × 519,770
  4. Step 4: Simplify right side
    221,110x = 270,160,852,900
  5. Step 5: Solve for x
    x = 270,160,852,900/221,110
  6. Step 6: Final answer
    x = 1,221,839.14

Related Problems

Find third proportional to 110,555 and 259,885
Half scale
Find third proportional to 442,220 and 1,039,540
Double scale
Find third proportional to 221,112 and 519,775
Similar ratio
Find third proportional to 331,665 and 779,655
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.