Home / 1,390,550-2,149,665

Finding the Third Proportional to 1,390,550 and 2,149,665

Calculator

Solution

The third proportional to 1,390,550 and 2,149,665 is: 3,323,188.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,390,550 : 2,149,665 = 2,149,665 : x
  2. Step 2: Convert to fraction form
    1,390,550/2,149,665 = 2,149,665/x
  3. Step 3: Cross multiply
    1,390,550x = 2,149,665 × 2,149,665
  4. Step 4: Simplify right side
    1,390,550x = 4,621,059,612,225
  5. Step 5: Solve for x
    x = 4,621,059,612,225/1,390,550
  6. Step 6: Final answer
    x = 3,323,188.39

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.