Home / 9,864-12,811.50

Finding the Third Proportional to 9,864 and 12,811.50

Calculator

Solution

The third proportional to 9,864 and 12,811.50 is: 16,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,864 : 12,811.50 = 12,811.50 : x
  2. Step 2: Convert to fraction form
    9,864/12,811.50 = 12,811.50/x
  3. Step 3: Cross multiply
    9,864x = 12,811.50 × 12,811.50
  4. Step 4: Simplify right side
    9,864x = 164,134,532.25
  5. Step 5: Solve for x
    x = 164,134,532.25/9,864
  6. Step 6: Final answer
    x = 16,639.75

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.30) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.