Home / 6,808-18,388

Finding the Third Proportional to 6,808 and 18,388

Calculator

Solution

The third proportional to 6,808 and 18,388 is: 49,664.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808 : 18,388 = 18,388 : x
  2. Step 2: Convert to fraction form
    6,808/18,388 = 18,388/x
  3. Step 3: Cross multiply
    6,808x = 18,388 × 18,388
  4. Step 4: Simplify right side
    6,808x = 338,118,544
  5. Step 5: Solve for x
    x = 338,118,544/6,808
  6. Step 6: Final answer
    x = 49,664.89

Related Problems

Find third proportional to 3,404 and 9,194
Half scale
Find third proportional to 13,616 and 36,776
Double scale
Find third proportional to 6,810 and 18,393
Similar ratio
Find third proportional to 10,212 and 27,582
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.70) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.