Home / 140,508-210,765

Finding the Third Proportional to 140,508 and 210,765

Calculator

Solution

The third proportional to 140,508 and 210,765 is: 316,152.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,508 : 210,765 = 210,765 : x
  2. Step 2: Convert to fraction form
    140,508/210,765 = 210,765/x
  3. Step 3: Cross multiply
    140,508x = 210,765 × 210,765
  4. Step 4: Simplify right side
    140,508x = 44,421,885,225
  5. Step 5: Solve for x
    x = 44,421,885,225/140,508
  6. Step 6: Final answer
    x = 316,152.00

Related Problems

Find third proportional to 70,254 and 105,382.50
Half scale
Find third proportional to 281,016 and 421,530
Double scale
Find third proportional to 140,510 and 210,768
Similar ratio
Find third proportional to 210,762 and 316,147.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.