Home / 3,819-8,260

Finding the Third Proportional to 3,819 and 8,260

Calculator

Solution

The third proportional to 3,819 and 8,260 is: 17,865.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,819 : 8,260 = 8,260 : x
  2. Step 2: Convert to fraction form
    3,819/8,260 = 8,260/x
  3. Step 3: Cross multiply
    3,819x = 8,260 × 8,260
  4. Step 4: Simplify right side
    3,819x = 68,227,600
  5. Step 5: Solve for x
    x = 68,227,600/3,819
  6. Step 6: Final answer
    x = 17,865.31

Related Problems

Find third proportional to 1,909.50 and 4,130
Half scale
Find third proportional to 7,638 and 16,520
Double scale
Find third proportional to 3,821 and 8,264
Similar ratio
Find third proportional to 5,728.50 and 12,390
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.