Home / 1,307-3,245

Finding the Third Proportional to 1,307 and 3,245

Calculator

Solution

The third proportional to 1,307 and 3,245 is: 8,056.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307 : 3,245 = 3,245 : x
  2. Step 2: Convert to fraction form
    1,307/3,245 = 3,245/x
  3. Step 3: Cross multiply
    1,307x = 3,245 × 3,245
  4. Step 4: Simplify right side
    1,307x = 10,530,025
  5. Step 5: Solve for x
    x = 10,530,025/1,307
  6. Step 6: Final answer
    x = 8,056.64

Related Problems

Find third proportional to 653.50 and 1,622.50
Half scale
Find third proportional to 2,614 and 6,490
Double scale
Find third proportional to 1,309 and 3,250
Similar ratio
Find third proportional to 1,960.50 and 4,867.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.48) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.