Home / 8,520-11,352

Finding the Third Proportional to 8,520 and 11,352

Calculator

Solution

The third proportional to 8,520 and 11,352 is: 15,125.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,520 : 11,352 = 11,352 : x
  2. Step 2: Convert to fraction form
    8,520/11,352 = 11,352/x
  3. Step 3: Cross multiply
    8,520x = 11,352 × 11,352
  4. Step 4: Simplify right side
    8,520x = 128,867,904
  5. Step 5: Solve for x
    x = 128,867,904/8,520
  6. Step 6: Final answer
    x = 15,125.34

Related Problems

Find third proportional to 4,260 and 5,676
Half scale
Find third proportional to 17,040 and 22,704
Double scale
Find third proportional to 8,522 and 11,355
Similar ratio
Find third proportional to 12,780 and 17,028
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.