Home / 19,864-29,128

Finding the Third Proportional to 19,864 and 29,128

Calculator

Solution

The third proportional to 19,864 and 29,128 is: 42,712.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,864 : 29,128 = 29,128 : x
  2. Step 2: Convert to fraction form
    19,864/29,128 = 29,128/x
  3. Step 3: Cross multiply
    19,864x = 29,128 × 29,128
  4. Step 4: Simplify right side
    19,864x = 848,440,384
  5. Step 5: Solve for x
    x = 848,440,384/19,864
  6. Step 6: Final answer
    x = 42,712.46

Related Problems

Find third proportional to 9,932 and 14,564
Half scale
Find third proportional to 39,728 and 58,256
Double scale
Find third proportional to 19,866 and 29,131
Similar ratio
Find third proportional to 29,796 and 43,692
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.