Home / 13,385-28,615

Finding the Third Proportional to 13,385 and 28,615

Calculator

Solution

The third proportional to 13,385 and 28,615 is: 61,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,385 : 28,615 = 28,615 : x
  2. Step 2: Convert to fraction form
    13,385/28,615 = 28,615/x
  3. Step 3: Cross multiply
    13,385x = 28,615 × 28,615
  4. Step 4: Simplify right side
    13,385x = 818,818,225
  5. Step 5: Solve for x
    x = 818,818,225/13,385
  6. Step 6: Final answer
    x = 61,174.32

Related Problems

Find third proportional to 6,692.50 and 14,307.50
Half scale
Find third proportional to 26,770 and 57,230
Double scale
Find third proportional to 13,387 and 28,619
Similar ratio
Find third proportional to 20,077.50 and 42,922.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.