Home / 19,059-28,311

Finding the Third Proportional to 19,059 and 28,311

Calculator

Solution

The third proportional to 19,059 and 28,311 is: 42,054.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,059 : 28,311 = 28,311 : x
  2. Step 2: Convert to fraction form
    19,059/28,311 = 28,311/x
  3. Step 3: Cross multiply
    19,059x = 28,311 × 28,311
  4. Step 4: Simplify right side
    19,059x = 801,512,721
  5. Step 5: Solve for x
    x = 801,512,721/19,059
  6. Step 6: Final answer
    x = 42,054.29

Related Problems

Find third proportional to 9,529.50 and 14,155.50
Half scale
Find third proportional to 38,118 and 56,622
Double scale
Find third proportional to 19,061 and 28,314
Similar ratio
Find third proportional to 28,588.50 and 42,466.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.