Home / 7,816-12,604

Finding the Third Proportional to 7,816 and 12,604

Calculator

Solution

The third proportional to 7,816 and 12,604 is: 20,325.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816 : 12,604 = 12,604 : x
  2. Step 2: Convert to fraction form
    7,816/12,604 = 12,604/x
  3. Step 3: Cross multiply
    7,816x = 12,604 × 12,604
  4. Step 4: Simplify right side
    7,816x = 158,860,816
  5. Step 5: Solve for x
    x = 158,860,816/7,816
  6. Step 6: Final answer
    x = 20,325.08

Related Problems

Find third proportional to 3,908 and 6,302
Half scale
Find third proportional to 15,632 and 25,208
Double scale
Find third proportional to 7,818 and 12,607
Similar ratio
Find third proportional to 11,724 and 18,906
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.61) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.