Home / 3,630-8,521

Finding the Third Proportional to 3,630 and 8,521

Calculator

Solution

The third proportional to 3,630 and 8,521 is: 20,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,630 : 8,521 = 8,521 : x
  2. Step 2: Convert to fraction form
    3,630/8,521 = 8,521/x
  3. Step 3: Cross multiply
    3,630x = 8,521 × 8,521
  4. Step 4: Simplify right side
    3,630x = 72,607,441
  5. Step 5: Solve for x
    x = 72,607,441/3,630
  6. Step 6: Final answer
    x = 20,002.05

Related Problems

Find third proportional to 1,815 and 4,260.50
Half scale
Find third proportional to 7,260 and 17,042
Double scale
Find third proportional to 3,632 and 8,526
Similar ratio
Find third proportional to 5,445 and 12,781.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.