Home / 186,978-400,227

Finding the Third Proportional to 186,978 and 400,227

Calculator

Solution

The third proportional to 186,978 and 400,227 is: 856,687.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,978 : 400,227 = 400,227 : x
  2. Step 2: Convert to fraction form
    186,978/400,227 = 400,227/x
  3. Step 3: Cross multiply
    186,978x = 400,227 × 400,227
  4. Step 4: Simplify right side
    186,978x = 160,181,651,529
  5. Step 5: Solve for x
    x = 160,181,651,529/186,978
  6. Step 6: Final answer
    x = 856,687.16

Related Problems

Find third proportional to 93,489 and 200,113.50
Half scale
Find third proportional to 373,956 and 800,454
Double scale
Find third proportional to 186,980 and 400,231
Similar ratio
Find third proportional to 280,467 and 600,340.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.