Home / 3,338-7,290

Finding the Third Proportional to 3,338 and 7,290

Calculator

Solution

The third proportional to 3,338 and 7,290 is: 15,920.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,338 : 7,290 = 7,290 : x
  2. Step 2: Convert to fraction form
    3,338/7,290 = 7,290/x
  3. Step 3: Cross multiply
    3,338x = 7,290 × 7,290
  4. Step 4: Simplify right side
    3,338x = 53,144,100
  5. Step 5: Solve for x
    x = 53,144,100/3,338
  6. Step 6: Final answer
    x = 15,920.94

Related Problems

Find third proportional to 1,669 and 3,645
Half scale
Find third proportional to 6,676 and 14,580
Double scale
Find third proportional to 3,340 and 7,294
Similar ratio
Find third proportional to 5,007 and 10,935
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.