Home / 8,682-12,861

Finding the Third Proportional to 8,682 and 12,861

Calculator

Solution

The third proportional to 8,682 and 12,861 is: 19,051.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,682 : 12,861 = 12,861 : x
  2. Step 2: Convert to fraction form
    8,682/12,861 = 12,861/x
  3. Step 3: Cross multiply
    8,682x = 12,861 × 12,861
  4. Step 4: Simplify right side
    8,682x = 165,405,321
  5. Step 5: Solve for x
    x = 165,405,321/8,682
  6. Step 6: Final answer
    x = 19,051.52

Related Problems

Find third proportional to 4,341 and 6,430.50
Half scale
Find third proportional to 17,364 and 25,722
Double scale
Find third proportional to 8,684 and 12,864
Similar ratio
Find third proportional to 13,023 and 19,291.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.