Home / 8,836-13,684

Finding the Third Proportional to 8,836 and 13,684

Calculator

Solution

The third proportional to 8,836 and 13,684 is: 21,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836 : 13,684 = 13,684 : x
  2. Step 2: Convert to fraction form
    8,836/13,684 = 13,684/x
  3. Step 3: Cross multiply
    8,836x = 13,684 × 13,684
  4. Step 4: Simplify right side
    8,836x = 187,251,856
  5. Step 5: Solve for x
    x = 187,251,856/8,836
  6. Step 6: Final answer
    x = 21,191.93

Related Problems

Find third proportional to 4,418 and 6,842
Half scale
Find third proportional to 17,672 and 27,368
Double scale
Find third proportional to 8,838 and 13,687
Similar ratio
Find third proportional to 13,254 and 20,526
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.