Home / 3,655-5,171

Finding the Third Proportional to 3,655 and 5,171

Calculator

Solution

The third proportional to 3,655 and 5,171 is: 7,315.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,655 : 5,171 = 5,171 : x
  2. Step 2: Convert to fraction form
    3,655/5,171 = 5,171/x
  3. Step 3: Cross multiply
    3,655x = 5,171 × 5,171
  4. Step 4: Simplify right side
    3,655x = 26,739,241
  5. Step 5: Solve for x
    x = 26,739,241/3,655
  6. Step 6: Final answer
    x = 7,315.80

Related Problems

Find third proportional to 1,827.50 and 2,585.50
Half scale
Find third proportional to 7,310 and 10,342
Double scale
Find third proportional to 3,657 and 5,174
Similar ratio
Find third proportional to 5,482.50 and 7,756.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.