Home / 7,920-16,900.88

Finding the Third Proportional to 7,920 and 16,900.88

Calculator

Solution

The third proportional to 7,920 and 16,900.88 is: 36,065.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920 : 16,900.88 = 16,900.88 : x
  2. Step 2: Convert to fraction form
    7,920/16,900.88 = 16,900.88/x
  3. Step 3: Cross multiply
    7,920x = 16,900.88 × 16,900.88
  4. Step 4: Simplify right side
    7,920x = 285,639,575.77
  5. Step 5: Solve for x
    x = 285,639,575.77/7,920
  6. Step 6: Final answer
    x = 36,065.60

Related Problems

Find third proportional to 3,960 and 8,450.44
Half scale
Find third proportional to 15,840 and 33,801.75
Double scale
Find third proportional to 7,922 and 16,905
Similar ratio
Find third proportional to 11,880 and 25,351.31
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.