Home / 291,696-449,990

Finding the Third Proportional to 291,696 and 449,990

Calculator

Solution

The third proportional to 291,696 and 449,990 is: 694,185.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,696 : 449,990 = 449,990 : x
  2. Step 2: Convert to fraction form
    291,696/449,990 = 449,990/x
  3. Step 3: Cross multiply
    291,696x = 449,990 × 449,990
  4. Step 4: Simplify right side
    291,696x = 202,491,000,100
  5. Step 5: Solve for x
    x = 202,491,000,100/291,696
  6. Step 6: Final answer
    x = 694,185.04

Related Problems

Find third proportional to 145,848 and 224,995
Half scale
Find third proportional to 583,392 and 899,980
Double scale
Find third proportional to 291,698 and 449,993
Similar ratio
Find third proportional to 437,544 and 674,985
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.54) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.