Home / 389,448-808,488

Finding the Third Proportional to 389,448 and 808,488

Calculator

Solution

The third proportional to 389,448 and 808,488 is: 1,678,408.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,448 : 808,488 = 808,488 : x
  2. Step 2: Convert to fraction form
    389,448/808,488 = 808,488/x
  3. Step 3: Cross multiply
    389,448x = 808,488 × 808,488
  4. Step 4: Simplify right side
    389,448x = 653,652,846,144
  5. Step 5: Solve for x
    x = 653,652,846,144/389,448
  6. Step 6: Final answer
    x = 1,678,408.53

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.