Home / 8,556-13,281

Finding the Third Proportional to 8,556 and 13,281

Calculator

Solution

The third proportional to 8,556 and 13,281 is: 20,615.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,556 : 13,281 = 13,281 : x
  2. Step 2: Convert to fraction form
    8,556/13,281 = 13,281/x
  3. Step 3: Cross multiply
    8,556x = 13,281 × 13,281
  4. Step 4: Simplify right side
    8,556x = 176,384,961
  5. Step 5: Solve for x
    x = 176,384,961/8,556
  6. Step 6: Final answer
    x = 20,615.35

Related Problems

Find third proportional to 4,278 and 6,640.50
Half scale
Find third proportional to 17,112 and 26,562
Double scale
Find third proportional to 8,558 and 13,284
Similar ratio
Find third proportional to 12,834 and 19,921.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.