Home / 878,643-1,918,422

Finding the Third Proportional to 878,643 and 1,918,422

Calculator

Solution

The third proportional to 878,643 and 1,918,422 is: 4,188,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,643 : 1,918,422 = 1,918,422 : x
  2. Step 2: Convert to fraction form
    878,643/1,918,422 = 1,918,422/x
  3. Step 3: Cross multiply
    878,643x = 1,918,422 × 1,918,422
  4. Step 4: Simplify right side
    878,643x = 3,680,342,970,084
  5. Step 5: Solve for x
    x = 3,680,342,970,084/878,643
  6. Step 6: Final answer
    x = 4,188,667.04

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.