Home / 8,734-12,979

Finding the Third Proportional to 8,734 and 12,979

Calculator

Solution

The third proportional to 8,734 and 12,979 is: 19,287.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,734 : 12,979 = 12,979 : x
  2. Step 2: Convert to fraction form
    8,734/12,979 = 12,979/x
  3. Step 3: Cross multiply
    8,734x = 12,979 × 12,979
  4. Step 4: Simplify right side
    8,734x = 168,454,441
  5. Step 5: Solve for x
    x = 168,454,441/8,734
  6. Step 6: Final answer
    x = 19,287.20

Related Problems

Find third proportional to 4,367 and 6,489.50
Half scale
Find third proportional to 17,468 and 25,958
Double scale
Find third proportional to 8,736 and 12,982
Similar ratio
Find third proportional to 13,101 and 19,468.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.