Home / 300,556-449,892

Finding the Third Proportional to 300,556 and 449,892

Calculator

Solution

The third proportional to 300,556 and 449,892 is: 673,427.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,556 : 449,892 = 449,892 : x
  2. Step 2: Convert to fraction form
    300,556/449,892 = 449,892/x
  3. Step 3: Cross multiply
    300,556x = 449,892 × 449,892
  4. Step 4: Simplify right side
    300,556x = 202,402,811,664
  5. Step 5: Solve for x
    x = 202,402,811,664/300,556
  6. Step 6: Final answer
    x = 673,427.95

Related Problems

Find third proportional to 150,278 and 224,946
Half scale
Find third proportional to 601,112 and 899,784
Double scale
Find third proportional to 300,558 and 449,895
Similar ratio
Find third proportional to 450,834 and 674,838
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.