Home / 66,025-140,231

Finding the Third Proportional to 66,025 and 140,231

Calculator

Solution

The third proportional to 66,025 and 140,231 is: 297,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,025 : 140,231 = 140,231 : x
  2. Step 2: Convert to fraction form
    66,025/140,231 = 140,231/x
  3. Step 3: Cross multiply
    66,025x = 140,231 × 140,231
  4. Step 4: Simplify right side
    66,025x = 19,664,733,361
  5. Step 5: Solve for x
    x = 19,664,733,361/66,025
  6. Step 6: Final answer
    x = 297,837.69

Related Problems

Find third proportional to 33,012.50 and 70,115.50
Half scale
Find third proportional to 132,050 and 280,462
Double scale
Find third proportional to 66,027 and 140,235
Similar ratio
Find third proportional to 99,037.50 and 210,346.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.