Home / 8,237-12,138

Finding the Third Proportional to 8,237 and 12,138

Calculator

Solution

The third proportional to 8,237 and 12,138 is: 17,886.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237 : 12,138 = 12,138 : x
  2. Step 2: Convert to fraction form
    8,237/12,138 = 12,138/x
  3. Step 3: Cross multiply
    8,237x = 12,138 × 12,138
  4. Step 4: Simplify right side
    8,237x = 147,331,044
  5. Step 5: Solve for x
    x = 147,331,044/8,237
  6. Step 6: Final answer
    x = 17,886.49

Related Problems

Find third proportional to 4,118.50 and 6,069
Half scale
Find third proportional to 16,474 and 24,276
Double scale
Find third proportional to 8,239 and 12,141
Similar ratio
Find third proportional to 12,355.50 and 18,207
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.