Home / 449,006-678,173

Finding the Third Proportional to 449,006 and 678,173

Calculator

Solution

The third proportional to 449,006 and 678,173 is: 1,024,303.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,006 : 678,173 = 678,173 : x
  2. Step 2: Convert to fraction form
    449,006/678,173 = 678,173/x
  3. Step 3: Cross multiply
    449,006x = 678,173 × 678,173
  4. Step 4: Simplify right side
    449,006x = 459,918,617,929
  5. Step 5: Solve for x
    x = 459,918,617,929/449,006
  6. Step 6: Final answer
    x = 1,024,303.95

Related Problems

Find third proportional to 224,503 and 339,086.50
Half scale
Find third proportional to 898,012 and 1,356,346
Double scale
Find third proportional to 449,008 and 678,176
Similar ratio
Find third proportional to 673,509 and 1,017,259.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.