Home / 1,013-1,515

Finding the Third Proportional to 1,013 and 1,515

Calculator

Solution

The third proportional to 1,013 and 1,515 is: 2,265.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013 : 1,515 = 1,515 : x
  2. Step 2: Convert to fraction form
    1,013/1,515 = 1,515/x
  3. Step 3: Cross multiply
    1,013x = 1,515 × 1,515
  4. Step 4: Simplify right side
    1,013x = 2,295,225
  5. Step 5: Solve for x
    x = 2,295,225/1,013
  6. Step 6: Final answer
    x = 2,265.77

Related Problems

Find third proportional to 506.50 and 757.50
Half scale
Find third proportional to 2,026 and 3,030
Double scale
Find third proportional to 1,015 and 1,518
Similar ratio
Find third proportional to 1,519.50 and 2,272.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.