Home / 300,634-449,490

Finding the Third Proportional to 300,634 and 449,490

Calculator

Solution

The third proportional to 300,634 and 449,490 is: 672,050.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,634 : 449,490 = 449,490 : x
  2. Step 2: Convert to fraction form
    300,634/449,490 = 449,490/x
  3. Step 3: Cross multiply
    300,634x = 449,490 × 449,490
  4. Step 4: Simplify right side
    300,634x = 202,041,260,100
  5. Step 5: Solve for x
    x = 202,041,260,100/300,634
  6. Step 6: Final answer
    x = 672,050.60

Related Problems

Find third proportional to 150,317 and 224,745
Half scale
Find third proportional to 601,268 and 898,980
Double scale
Find third proportional to 300,636 and 449,493
Similar ratio
Find third proportional to 450,951 and 674,235
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.