Home / 8,571-12,903

Finding the Third Proportional to 8,571 and 12,903

Calculator

Solution

The third proportional to 8,571 and 12,903 is: 19,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,571 : 12,903 = 12,903 : x
  2. Step 2: Convert to fraction form
    8,571/12,903 = 12,903/x
  3. Step 3: Cross multiply
    8,571x = 12,903 × 12,903
  4. Step 4: Simplify right side
    8,571x = 166,487,409
  5. Step 5: Solve for x
    x = 166,487,409/8,571
  6. Step 6: Final answer
    x = 19,424.50

Related Problems

Find third proportional to 4,285.50 and 6,451.50
Half scale
Find third proportional to 17,142 and 25,806
Double scale
Find third proportional to 8,573 and 12,906
Similar ratio
Find third proportional to 12,856.50 and 19,354.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.