Home / 199,311.75-268,515

Finding the Third Proportional to 199,311.75 and 268,515

Calculator

Solution

The third proportional to 199,311.75 and 268,515 is: 361,746.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,311.75 : 268,515 = 268,515 : x
  2. Step 2: Convert to fraction form
    199,311.75/268,515 = 268,515/x
  3. Step 3: Cross multiply
    199,311.75x = 268,515 × 268,515
  4. Step 4: Simplify right side
    199,311.75x = 72,100,305,225
  5. Step 5: Solve for x
    x = 72,100,305,225/199,311.75
  6. Step 6: Final answer
    x = 361,746.39

Related Problems

Find third proportional to 99,655.88 and 134,257.50
Half scale
Find third proportional to 398,623.50 and 537,030
Double scale
Find third proportional to 199,314 and 268,518
Similar ratio
Find third proportional to 298,967.63 and 402,772.50
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.