Home / 715-1,558

Finding the Third Proportional to 715 and 1,558

Calculator

Solution

The third proportional to 715 and 1,558 is: 3,394.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    715 : 1,558 = 1,558 : x
  2. Step 2: Convert to fraction form
    715/1,558 = 1,558/x
  3. Step 3: Cross multiply
    715x = 1,558 × 1,558
  4. Step 4: Simplify right side
    715x = 2,427,364
  5. Step 5: Solve for x
    x = 2,427,364/715
  6. Step 6: Final answer
    x = 3,394.91

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.