Home / 6,388-13,712

Finding the Third Proportional to 6,388 and 13,712

Calculator

Solution

The third proportional to 6,388 and 13,712 is: 29,433.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388 : 13,712 = 13,712 : x
  2. Step 2: Convert to fraction form
    6,388/13,712 = 13,712/x
  3. Step 3: Cross multiply
    6,388x = 13,712 × 13,712
  4. Step 4: Simplify right side
    6,388x = 188,018,944
  5. Step 5: Solve for x
    x = 188,018,944/6,388
  6. Step 6: Final answer
    x = 29,433.15

Related Problems

Find third proportional to 3,194 and 6,856
Half scale
Find third proportional to 12,776 and 27,424
Double scale
Find third proportional to 6,390 and 13,716
Similar ratio
Find third proportional to 9,582 and 20,568
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.