Home / 7,739-16,857

Finding the Third Proportional to 7,739 and 16,857

Calculator

Solution

The third proportional to 7,739 and 16,857 is: 36,717.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739 : 16,857 = 16,857 : x
  2. Step 2: Convert to fraction form
    7,739/16,857 = 16,857/x
  3. Step 3: Cross multiply
    7,739x = 16,857 × 16,857
  4. Step 4: Simplify right side
    7,739x = 284,158,449
  5. Step 5: Solve for x
    x = 284,158,449/7,739
  6. Step 6: Final answer
    x = 36,717.72

Related Problems

Find third proportional to 3,869.50 and 8,428.50
Half scale
Find third proportional to 15,478 and 33,714
Double scale
Find third proportional to 7,741 and 16,861
Similar ratio
Find third proportional to 11,608.50 and 25,285.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.