Home / 7,838-15,868

Finding the Third Proportional to 7,838 and 15,868

Calculator

Solution

The third proportional to 7,838 and 15,868 is: 32,124.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,838 : 15,868 = 15,868 : x
  2. Step 2: Convert to fraction form
    7,838/15,868 = 15,868/x
  3. Step 3: Cross multiply
    7,838x = 15,868 × 15,868
  4. Step 4: Simplify right side
    7,838x = 251,793,424
  5. Step 5: Solve for x
    x = 251,793,424/7,838
  6. Step 6: Final answer
    x = 32,124.70

Related Problems

Find third proportional to 3,919 and 7,934
Half scale
Find third proportional to 15,676 and 31,736
Double scale
Find third proportional to 7,840 and 15,872
Similar ratio
Find third proportional to 11,757 and 23,802
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.02) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.