Home / 300,291-659,643

Finding the Third Proportional to 300,291 and 659,643

Calculator

Solution

The third proportional to 300,291 and 659,643 is: 1,449,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,291 : 659,643 = 659,643 : x
  2. Step 2: Convert to fraction form
    300,291/659,643 = 659,643/x
  3. Step 3: Cross multiply
    300,291x = 659,643 × 659,643
  4. Step 4: Simplify right side
    300,291x = 435,128,887,449
  5. Step 5: Solve for x
    x = 435,128,887,449/300,291
  6. Step 6: Final answer
    x = 1,449,024.07

Related Problems

Find third proportional to 150,145.50 and 329,821.50
Half scale
Find third proportional to 600,582 and 1,319,286
Double scale
Find third proportional to 300,293 and 659,647
Similar ratio
Find third proportional to 450,436.50 and 989,464.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.