Home / 2,818-3,685

Finding the Third Proportional to 2,818 and 3,685

Calculator

Solution

The third proportional to 2,818 and 3,685 is: 4,818.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818 : 3,685 = 3,685 : x
  2. Step 2: Convert to fraction form
    2,818/3,685 = 3,685/x
  3. Step 3: Cross multiply
    2,818x = 3,685 × 3,685
  4. Step 4: Simplify right side
    2,818x = 13,579,225
  5. Step 5: Solve for x
    x = 13,579,225/2,818
  6. Step 6: Final answer
    x = 4,818.75

Related Problems

Find third proportional to 1,409 and 1,842.50
Half scale
Find third proportional to 5,636 and 7,370
Double scale
Find third proportional to 2,820 and 3,688
Similar ratio
Find third proportional to 4,227 and 5,527.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.31) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.