Home / 12,828-19,326

Finding the Third Proportional to 12,828 and 19,326

Calculator

Solution

The third proportional to 12,828 and 19,326 is: 29,115.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,828 : 19,326 = 19,326 : x
  2. Step 2: Convert to fraction form
    12,828/19,326 = 19,326/x
  3. Step 3: Cross multiply
    12,828x = 19,326 × 19,326
  4. Step 4: Simplify right side
    12,828x = 373,494,276
  5. Step 5: Solve for x
    x = 373,494,276/12,828
  6. Step 6: Final answer
    x = 29,115.55

Related Problems

Find third proportional to 6,414 and 9,663
Half scale
Find third proportional to 25,656 and 38,652
Double scale
Find third proportional to 12,830 and 19,329
Similar ratio
Find third proportional to 19,242 and 28,989
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.