Home / 2,642-3,953

Finding the Third Proportional to 2,642 and 3,953

Calculator

Solution

The third proportional to 2,642 and 3,953 is: 5,914.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642 : 3,953 = 3,953 : x
  2. Step 2: Convert to fraction form
    2,642/3,953 = 3,953/x
  3. Step 3: Cross multiply
    2,642x = 3,953 × 3,953
  4. Step 4: Simplify right side
    2,642x = 15,626,209
  5. Step 5: Solve for x
    x = 15,626,209/2,642
  6. Step 6: Final answer
    x = 5,914.54

Related Problems

Find third proportional to 1,321 and 1,976.50
Half scale
Find third proportional to 5,284 and 7,906
Double scale
Find third proportional to 2,644 and 3,956
Similar ratio
Find third proportional to 3,963 and 5,929.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.