Home / 7,704-8,760

Finding the Third Proportional to 7,704 and 8,760

Calculator

Solution

The third proportional to 7,704 and 8,760 is: 9,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704 : 8,760 = 8,760 : x
  2. Step 2: Convert to fraction form
    7,704/8,760 = 8,760/x
  3. Step 3: Cross multiply
    7,704x = 8,760 × 8,760
  4. Step 4: Simplify right side
    7,704x = 76,737,600
  5. Step 5: Solve for x
    x = 76,737,600/7,704
  6. Step 6: Final answer
    x = 9,960.75

Related Problems

Find third proportional to 3,852 and 4,380
Half scale
Find third proportional to 15,408 and 17,520
Double scale
Find third proportional to 7,706 and 8,762
Similar ratio
Find third proportional to 11,556 and 13,140
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.