Home / 7,776-12,104

Finding the Third Proportional to 7,776 and 12,104

Calculator

Solution

The third proportional to 7,776 and 12,104 is: 18,840.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776 : 12,104 = 12,104 : x
  2. Step 2: Convert to fraction form
    7,776/12,104 = 12,104/x
  3. Step 3: Cross multiply
    7,776x = 12,104 × 12,104
  4. Step 4: Simplify right side
    7,776x = 146,506,816
  5. Step 5: Solve for x
    x = 146,506,816/7,776
  6. Step 6: Final answer
    x = 18,840.90

Related Problems

Find third proportional to 3,888 and 6,052
Half scale
Find third proportional to 15,552 and 24,208
Double scale
Find third proportional to 7,778 and 12,107
Similar ratio
Find third proportional to 11,664 and 18,156
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.