Home / 305,446-449,015

Finding the Third Proportional to 305,446 and 449,015

Calculator

Solution

The third proportional to 305,446 and 449,015 is: 660,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,446 : 449,015 = 449,015 : x
  2. Step 2: Convert to fraction form
    305,446/449,015 = 449,015/x
  3. Step 3: Cross multiply
    305,446x = 449,015 × 449,015
  4. Step 4: Simplify right side
    305,446x = 201,614,470,225
  5. Step 5: Solve for x
    x = 201,614,470,225/305,446
  6. Step 6: Final answer
    x = 660,065.84

Related Problems

Find third proportional to 152,723 and 224,507.50
Half scale
Find third proportional to 610,892 and 898,030
Double scale
Find third proportional to 305,448 and 449,018
Similar ratio
Find third proportional to 458,169 and 673,522.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.