Home / 1,309-3,030

Finding the Third Proportional to 1,309 and 3,030

Calculator

Solution

The third proportional to 1,309 and 3,030 is: 7,013.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309 : 3,030 = 3,030 : x
  2. Step 2: Convert to fraction form
    1,309/3,030 = 3,030/x
  3. Step 3: Cross multiply
    1,309x = 3,030 × 3,030
  4. Step 4: Simplify right side
    1,309x = 9,180,900
  5. Step 5: Solve for x
    x = 9,180,900/1,309
  6. Step 6: Final answer
    x = 7,013.67

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.