Home / 190,878-431,247

Finding the Third Proportional to 190,878 and 431,247

Calculator

Solution

The third proportional to 190,878 and 431,247 is: 974,308.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,878 : 431,247 = 431,247 : x
  2. Step 2: Convert to fraction form
    190,878/431,247 = 431,247/x
  3. Step 3: Cross multiply
    190,878x = 431,247 × 431,247
  4. Step 4: Simplify right side
    190,878x = 185,973,975,009
  5. Step 5: Solve for x
    x = 185,973,975,009/190,878
  6. Step 6: Final answer
    x = 974,308.07

Related Problems

Find third proportional to 95,439 and 215,623.50
Half scale
Find third proportional to 381,756 and 862,494
Double scale
Find third proportional to 190,880 and 431,252
Similar ratio
Find third proportional to 286,317 and 646,870.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.26) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.