Home / 8,442-12,924

Finding the Third Proportional to 8,442 and 12,924

Calculator

Solution

The third proportional to 8,442 and 12,924 is: 19,785.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,442 : 12,924 = 12,924 : x
  2. Step 2: Convert to fraction form
    8,442/12,924 = 12,924/x
  3. Step 3: Cross multiply
    8,442x = 12,924 × 12,924
  4. Step 4: Simplify right side
    8,442x = 167,029,776
  5. Step 5: Solve for x
    x = 167,029,776/8,442
  6. Step 6: Final answer
    x = 19,785.57

Related Problems

Find third proportional to 4,221 and 6,462
Half scale
Find third proportional to 16,884 and 25,848
Double scale
Find third proportional to 8,444 and 12,927
Similar ratio
Find third proportional to 12,663 and 19,386
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.53) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.