Home / 7,687-12,236

Finding the Third Proportional to 7,687 and 12,236

Calculator

Solution

The third proportional to 7,687 and 12,236 is: 19,477.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,687 : 12,236 = 12,236 : x
  2. Step 2: Convert to fraction form
    7,687/12,236 = 12,236/x
  3. Step 3: Cross multiply
    7,687x = 12,236 × 12,236
  4. Step 4: Simplify right side
    7,687x = 149,719,696
  5. Step 5: Solve for x
    x = 149,719,696/7,687
  6. Step 6: Final answer
    x = 19,477.00

Related Problems

Find third proportional to 3,843.50 and 6,118
Half scale
Find third proportional to 15,374 and 24,472
Double scale
Find third proportional to 7,689 and 12,239
Similar ratio
Find third proportional to 11,530.50 and 18,354
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.