Home / 7,148-15,390

Finding the Third Proportional to 7,148 and 15,390

Calculator

Solution

The third proportional to 7,148 and 15,390 is: 33,135.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148 : 15,390 = 15,390 : x
  2. Step 2: Convert to fraction form
    7,148/15,390 = 15,390/x
  3. Step 3: Cross multiply
    7,148x = 15,390 × 15,390
  4. Step 4: Simplify right side
    7,148x = 236,852,100
  5. Step 5: Solve for x
    x = 236,852,100/7,148
  6. Step 6: Final answer
    x = 33,135.44

Related Problems

Find third proportional to 3,574 and 7,695
Half scale
Find third proportional to 14,296 and 30,780
Double scale
Find third proportional to 7,150 and 15,394
Similar ratio
Find third proportional to 10,722 and 23,085
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.