Home / 8,680-12,572

Finding the Third Proportional to 8,680 and 12,572

Calculator

Solution

The third proportional to 8,680 and 12,572 is: 18,209.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,680 : 12,572 = 12,572 : x
  2. Step 2: Convert to fraction form
    8,680/12,572 = 12,572/x
  3. Step 3: Cross multiply
    8,680x = 12,572 × 12,572
  4. Step 4: Simplify right side
    8,680x = 158,055,184
  5. Step 5: Solve for x
    x = 158,055,184/8,680
  6. Step 6: Final answer
    x = 18,209.12

Related Problems

Find third proportional to 4,340 and 6,286
Half scale
Find third proportional to 17,360 and 25,144
Double scale
Find third proportional to 8,682 and 12,575
Similar ratio
Find third proportional to 13,020 and 18,858
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.45) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.