Home / 12,356-18,644

Finding the Third Proportional to 12,356 and 18,644

Calculator

Solution

The third proportional to 12,356 and 18,644 is: 28,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356 : 18,644 = 18,644 : x
  2. Step 2: Convert to fraction form
    12,356/18,644 = 18,644/x
  3. Step 3: Cross multiply
    12,356x = 18,644 × 18,644
  4. Step 4: Simplify right side
    12,356x = 347,598,736
  5. Step 5: Solve for x
    x = 347,598,736/12,356
  6. Step 6: Final answer
    x = 28,131.98

Related Problems

Find third proportional to 6,178 and 9,322
Half scale
Find third proportional to 24,712 and 37,288
Double scale
Find third proportional to 12,358 and 18,647
Similar ratio
Find third proportional to 18,534 and 27,966
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.