Home / 4,520-8,480

Finding the Third Proportional to 4,520 and 8,480

Calculator

Solution

The third proportional to 4,520 and 8,480 is: 15,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,520 : 8,480 = 8,480 : x
  2. Step 2: Convert to fraction form
    4,520/8,480 = 8,480/x
  3. Step 3: Cross multiply
    4,520x = 8,480 × 8,480
  4. Step 4: Simplify right side
    4,520x = 71,910,400
  5. Step 5: Solve for x
    x = 71,910,400/4,520
  6. Step 6: Final answer
    x = 15,909.38

Related Problems

Find third proportional to 2,260 and 4,240
Half scale
Find third proportional to 9,040 and 16,960
Double scale
Find third proportional to 4,522 and 8,484
Similar ratio
Find third proportional to 6,780 and 12,720
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.88) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.