Home / 12,888-17,212

Finding the Third Proportional to 12,888 and 17,212

Calculator

Solution

The third proportional to 12,888 and 17,212 is: 22,986.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,888 : 17,212 = 17,212 : x
  2. Step 2: Convert to fraction form
    12,888/17,212 = 17,212/x
  3. Step 3: Cross multiply
    12,888x = 17,212 × 17,212
  4. Step 4: Simplify right side
    12,888x = 296,252,944
  5. Step 5: Solve for x
    x = 296,252,944/12,888
  6. Step 6: Final answer
    x = 22,986.73

Related Problems

Find third proportional to 6,444 and 8,606
Half scale
Find third proportional to 25,776 and 34,424
Double scale
Find third proportional to 12,890 and 17,215
Similar ratio
Find third proportional to 19,332 and 25,818
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.