Home / 8,972-12,843

Finding the Third Proportional to 8,972 and 12,843

Calculator

Solution

The third proportional to 8,972 and 12,843 is: 18,384.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972 : 12,843 = 12,843 : x
  2. Step 2: Convert to fraction form
    8,972/12,843 = 12,843/x
  3. Step 3: Cross multiply
    8,972x = 12,843 × 12,843
  4. Step 4: Simplify right side
    8,972x = 164,942,649
  5. Step 5: Solve for x
    x = 164,942,649/8,972
  6. Step 6: Final answer
    x = 18,384.16

Related Problems

Find third proportional to 4,486 and 6,421.50
Half scale
Find third proportional to 17,944 and 25,686
Double scale
Find third proportional to 8,974 and 12,846
Similar ratio
Find third proportional to 13,458 and 19,264.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.43) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.