Home / 221,955-489,154

Finding the Third Proportional to 221,955 and 489,154

Calculator

Solution

The third proportional to 221,955 and 489,154 is: 1,078,018.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,955 : 489,154 = 489,154 : x
  2. Step 2: Convert to fraction form
    221,955/489,154 = 489,154/x
  3. Step 3: Cross multiply
    221,955x = 489,154 × 489,154
  4. Step 4: Simplify right side
    221,955x = 239,271,635,716
  5. Step 5: Solve for x
    x = 239,271,635,716/221,955
  6. Step 6: Final answer
    x = 1,078,018.68

Related Problems

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.