Home / 7,520-16,480

Finding the Third Proportional to 7,520 and 16,480

Calculator

Solution

The third proportional to 7,520 and 16,480 is: 36,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,520 : 16,480 = 16,480 : x
  2. Step 2: Convert to fraction form
    7,520/16,480 = 16,480/x
  3. Step 3: Cross multiply
    7,520x = 16,480 × 16,480
  4. Step 4: Simplify right side
    7,520x = 271,590,400
  5. Step 5: Solve for x
    x = 271,590,400/7,520
  6. Step 6: Final answer
    x = 36,115.74

Related Problems

Find third proportional to 3,760 and 8,240
Half scale
Find third proportional to 15,040 and 32,960
Double scale
Find third proportional to 7,522 and 16,484
Similar ratio
Find third proportional to 11,280 and 24,720
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.