Home / 142,740-192,271

Finding the Third Proportional to 142,740 and 192,271

Calculator

Solution

The third proportional to 142,740 and 192,271 is: 258,989.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,740 : 192,271 = 192,271 : x
  2. Step 2: Convert to fraction form
    142,740/192,271 = 192,271/x
  3. Step 3: Cross multiply
    142,740x = 192,271 × 192,271
  4. Step 4: Simplify right side
    142,740x = 36,968,137,441
  5. Step 5: Solve for x
    x = 36,968,137,441/142,740
  6. Step 6: Final answer
    x = 258,989.33

Related Problems

Find third proportional to 71,370 and 96,135.50
Half scale
Find third proportional to 285,480 and 384,542
Double scale
Find third proportional to 142,742 and 192,274
Similar ratio
Find third proportional to 214,110 and 288,406.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.