Home / 7,792-18,778

Finding the Third Proportional to 7,792 and 18,778

Calculator

Solution

The third proportional to 7,792 and 18,778 is: 45,253.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,792 : 18,778 = 18,778 : x
  2. Step 2: Convert to fraction form
    7,792/18,778 = 18,778/x
  3. Step 3: Cross multiply
    7,792x = 18,778 × 18,778
  4. Step 4: Simplify right side
    7,792x = 352,613,284
  5. Step 5: Solve for x
    x = 352,613,284/7,792
  6. Step 6: Final answer
    x = 45,253.24

Related Problems

Find third proportional to 3,896 and 9,389
Half scale
Find third proportional to 15,584 and 37,556
Double scale
Find third proportional to 7,794 and 18,783
Similar ratio
Find third proportional to 11,688 and 28,167
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.41) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.