Home / 19,128-27,384

Finding the Third Proportional to 19,128 and 27,384

Calculator

Solution

The third proportional to 19,128 and 27,384 is: 39,203.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,128 : 27,384 = 27,384 : x
  2. Step 2: Convert to fraction form
    19,128/27,384 = 27,384/x
  3. Step 3: Cross multiply
    19,128x = 27,384 × 27,384
  4. Step 4: Simplify right side
    19,128x = 749,883,456
  5. Step 5: Solve for x
    x = 749,883,456/19,128
  6. Step 6: Final answer
    x = 39,203.44

Related Problems

Find third proportional to 9,564 and 13,692
Half scale
Find third proportional to 38,256 and 54,768
Double scale
Find third proportional to 19,130 and 27,387
Similar ratio
Find third proportional to 28,692 and 41,076
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.