Home / 8,694-13,281

Finding the Third Proportional to 8,694 and 13,281

Calculator

Solution

The third proportional to 8,694 and 13,281 is: 20,288.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,694 : 13,281 = 13,281 : x
  2. Step 2: Convert to fraction form
    8,694/13,281 = 13,281/x
  3. Step 3: Cross multiply
    8,694x = 13,281 × 13,281
  4. Step 4: Simplify right side
    8,694x = 176,384,961
  5. Step 5: Solve for x
    x = 176,384,961/8,694
  6. Step 6: Final answer
    x = 20,288.13

Related Problems

Find third proportional to 4,347 and 6,640.50
Half scale
Find third proportional to 17,388 and 26,562
Double scale
Find third proportional to 8,696 and 13,284
Similar ratio
Find third proportional to 13,041 and 19,921.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.