Home / 7,816-16,859

Finding the Third Proportional to 7,816 and 16,859

Calculator

Solution

The third proportional to 7,816 and 16,859 is: 36,364.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816 : 16,859 = 16,859 : x
  2. Step 2: Convert to fraction form
    7,816/16,859 = 16,859/x
  3. Step 3: Cross multiply
    7,816x = 16,859 × 16,859
  4. Step 4: Simplify right side
    7,816x = 284,225,881
  5. Step 5: Solve for x
    x = 284,225,881/7,816
  6. Step 6: Final answer
    x = 36,364.62

Related Problems

Find third proportional to 3,908 and 8,429.50
Half scale
Find third proportional to 15,632 and 33,718
Double scale
Find third proportional to 7,818 and 16,863
Similar ratio
Find third proportional to 11,724 and 25,288.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.