Home / 3,774-8,129

Finding the Third Proportional to 3,774 and 8,129

Calculator

Solution

The third proportional to 3,774 and 8,129 is: 17,509.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,774 : 8,129 = 8,129 : x
  2. Step 2: Convert to fraction form
    3,774/8,129 = 8,129/x
  3. Step 3: Cross multiply
    3,774x = 8,129 × 8,129
  4. Step 4: Simplify right side
    3,774x = 66,080,641
  5. Step 5: Solve for x
    x = 66,080,641/3,774
  6. Step 6: Final answer
    x = 17,509.44

Related Problems

Find third proportional to 1,887 and 4,064.50
Half scale
Find third proportional to 7,548 and 16,258
Double scale
Find third proportional to 3,776 and 8,133
Similar ratio
Find third proportional to 5,661 and 12,193.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.