Home / 8,313-17,778

Finding the Third Proportional to 8,313 and 17,778

Calculator

Solution

The third proportional to 8,313 and 17,778 is: 38,019.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313 : 17,778 = 17,778 : x
  2. Step 2: Convert to fraction form
    8,313/17,778 = 17,778/x
  3. Step 3: Cross multiply
    8,313x = 17,778 × 17,778
  4. Step 4: Simplify right side
    8,313x = 316,057,284
  5. Step 5: Solve for x
    x = 316,057,284/8,313
  6. Step 6: Final answer
    x = 38,019.64

Related Problems

Find third proportional to 4,156.50 and 8,889
Half scale
Find third proportional to 16,626 and 35,556
Double scale
Find third proportional to 8,315 and 17,782
Similar ratio
Find third proportional to 12,469.50 and 26,667
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.