Home / 1,575-2,919

Finding the Third Proportional to 1,575 and 2,919

Calculator

Solution

The third proportional to 1,575 and 2,919 is: 5,409.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575 : 2,919 = 2,919 : x
  2. Step 2: Convert to fraction form
    1,575/2,919 = 2,919/x
  3. Step 3: Cross multiply
    1,575x = 2,919 × 2,919
  4. Step 4: Simplify right side
    1,575x = 8,520,561
  5. Step 5: Solve for x
    x = 8,520,561/1,575
  6. Step 6: Final answer
    x = 5,409.88

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.85) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.