Home / 7,072-16,800

Finding the Third Proportional to 7,072 and 16,800

Calculator

Solution

The third proportional to 7,072 and 16,800 is: 39,909.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072 : 16,800 = 16,800 : x
  2. Step 2: Convert to fraction form
    7,072/16,800 = 16,800/x
  3. Step 3: Cross multiply
    7,072x = 16,800 × 16,800
  4. Step 4: Simplify right side
    7,072x = 282,240,000
  5. Step 5: Solve for x
    x = 282,240,000/7,072
  6. Step 6: Final answer
    x = 39,909.50

Related Problems

Find third proportional to 3,536 and 8,400
Half scale
Find third proportional to 14,144 and 33,600
Double scale
Find third proportional to 7,074 and 16,805
Similar ratio
Find third proportional to 10,608 and 25,200
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.