Home / 8,248-12,791

Finding the Third Proportional to 8,248 and 12,791

Calculator

Solution

The third proportional to 8,248 and 12,791 is: 19,836.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,248 : 12,791 = 12,791 : x
  2. Step 2: Convert to fraction form
    8,248/12,791 = 12,791/x
  3. Step 3: Cross multiply
    8,248x = 12,791 × 12,791
  4. Step 4: Simplify right side
    8,248x = 163,609,681
  5. Step 5: Solve for x
    x = 163,609,681/8,248
  6. Step 6: Final answer
    x = 19,836.29

Related Problems

Find third proportional to 4,124 and 6,395.50
Half scale
Find third proportional to 16,496 and 25,582
Double scale
Find third proportional to 8,250 and 12,794
Similar ratio
Find third proportional to 12,372 and 19,186.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.