Home / 133,065-287,451

Finding the Third Proportional to 133,065 and 287,451

Calculator

Solution

The third proportional to 133,065 and 287,451 is: 620,960.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,065 : 287,451 = 287,451 : x
  2. Step 2: Convert to fraction form
    133,065/287,451 = 287,451/x
  3. Step 3: Cross multiply
    133,065x = 287,451 × 287,451
  4. Step 4: Simplify right side
    133,065x = 82,628,077,401
  5. Step 5: Solve for x
    x = 82,628,077,401/133,065
  6. Step 6: Final answer
    x = 620,960.26

Related Problems

Find third proportional to 66,532.50 and 143,725.50
Half scale
Find third proportional to 266,130 and 574,902
Double scale
Find third proportional to 133,067 and 287,455
Similar ratio
Find third proportional to 199,597.50 and 431,176.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.16) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.