Home / 7,708-8,840

Finding the Third Proportional to 7,708 and 8,840

Calculator

Solution

The third proportional to 7,708 and 8,840 is: 10,138.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708 : 8,840 = 8,840 : x
  2. Step 2: Convert to fraction form
    7,708/8,840 = 8,840/x
  3. Step 3: Cross multiply
    7,708x = 8,840 × 8,840
  4. Step 4: Simplify right side
    7,708x = 78,145,600
  5. Step 5: Solve for x
    x = 78,145,600/7,708
  6. Step 6: Final answer
    x = 10,138.25

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.