Home / 1,422-1,539

Finding the Third Proportional to 1,422 and 1,539

Calculator

Solution

The third proportional to 1,422 and 1,539 is: 1,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422 : 1,539 = 1,539 : x
  2. Step 2: Convert to fraction form
    1,422/1,539 = 1,539/x
  3. Step 3: Cross multiply
    1,422x = 1,539 × 1,539
  4. Step 4: Simplify right side
    1,422x = 2,368,521
  5. Step 5: Solve for x
    x = 2,368,521/1,422
  6. Step 6: Final answer
    x = 1,665.63

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.