Home / 11,772-17,778

Finding the Third Proportional to 11,772 and 17,778

Calculator

Solution

The third proportional to 11,772 and 17,778 is: 26,848.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772 : 17,778 = 17,778 : x
  2. Step 2: Convert to fraction form
    11,772/17,778 = 17,778/x
  3. Step 3: Cross multiply
    11,772x = 17,778 × 17,778
  4. Step 4: Simplify right side
    11,772x = 316,057,284
  5. Step 5: Solve for x
    x = 316,057,284/11,772
  6. Step 6: Final answer
    x = 26,848.22

Related Problems

Find third proportional to 5,886 and 8,889
Half scale
Find third proportional to 23,544 and 35,556
Double scale
Find third proportional to 11,774 and 17,781
Similar ratio
Find third proportional to 17,658 and 26,667
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.