Home / 11,888-19,440

Finding the Third Proportional to 11,888 and 19,440

Calculator

Solution

The third proportional to 11,888 and 19,440 is: 31,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,888 : 19,440 = 19,440 : x
  2. Step 2: Convert to fraction form
    11,888/19,440 = 19,440/x
  3. Step 3: Cross multiply
    11,888x = 19,440 × 19,440
  4. Step 4: Simplify right side
    11,888x = 377,913,600
  5. Step 5: Solve for x
    x = 377,913,600/11,888
  6. Step 6: Final answer
    x = 31,789.50

Related Problems

Find third proportional to 5,944 and 9,720
Half scale
Find third proportional to 23,776 and 38,880
Double scale
Find third proportional to 11,890 and 19,443
Similar ratio
Find third proportional to 17,832 and 29,160
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.64) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.