Home / 204,878-307,911

Finding the Third Proportional to 204,878 and 307,911

Calculator

Solution

The third proportional to 204,878 and 307,911 is: 462,759.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,878 : 307,911 = 307,911 : x
  2. Step 2: Convert to fraction form
    204,878/307,911 = 307,911/x
  3. Step 3: Cross multiply
    204,878x = 307,911 × 307,911
  4. Step 4: Simplify right side
    204,878x = 94,809,183,921
  5. Step 5: Solve for x
    x = 94,809,183,921/204,878
  6. Step 6: Final answer
    x = 462,759.22

Related Problems

Find third proportional to 102,439 and 153,955.50
Half scale
Find third proportional to 409,756 and 615,822
Double scale
Find third proportional to 204,880 and 307,914
Similar ratio
Find third proportional to 307,317 and 461,866.50
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.