Home / 189,962-405,350

Finding the Third Proportional to 189,962 and 405,350

Calculator

Solution

The third proportional to 189,962 and 405,350 is: 864,955.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,962 : 405,350 = 405,350 : x
  2. Step 2: Convert to fraction form
    189,962/405,350 = 405,350/x
  3. Step 3: Cross multiply
    189,962x = 405,350 × 405,350
  4. Step 4: Simplify right side
    189,962x = 164,308,622,500
  5. Step 5: Solve for x
    x = 164,308,622,500/189,962
  6. Step 6: Final answer
    x = 864,955.21

Related Problems

Find third proportional to 94,981 and 202,675
Half scale
Find third proportional to 379,924 and 810,700
Double scale
Find third proportional to 189,964 and 405,354
Similar ratio
Find third proportional to 284,943 and 608,025
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.13) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.