Home / 8,279-17,742

Finding the Third Proportional to 8,279 and 17,742

Calculator

Solution

The third proportional to 8,279 and 17,742 is: 38,021.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279 : 17,742 = 17,742 : x
  2. Step 2: Convert to fraction form
    8,279/17,742 = 17,742/x
  3. Step 3: Cross multiply
    8,279x = 17,742 × 17,742
  4. Step 4: Simplify right side
    8,279x = 314,778,564
  5. Step 5: Solve for x
    x = 314,778,564/8,279
  6. Step 6: Final answer
    x = 38,021.33

Related Problems

Find third proportional to 4,139.50 and 8,871
Half scale
Find third proportional to 16,558 and 35,484
Double scale
Find third proportional to 8,281 and 17,746
Similar ratio
Find third proportional to 12,418.50 and 26,613
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.