Home / 270,494-421,050

Finding the Third Proportional to 270,494 and 421,050

Calculator

Solution

The third proportional to 270,494 and 421,050 is: 655,404.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,494 : 421,050 = 421,050 : x
  2. Step 2: Convert to fraction form
    270,494/421,050 = 421,050/x
  3. Step 3: Cross multiply
    270,494x = 421,050 × 421,050
  4. Step 4: Simplify right side
    270,494x = 177,283,102,500
  5. Step 5: Solve for x
    x = 177,283,102,500/270,494
  6. Step 6: Final answer
    x = 655,404.94

Related Problems

Find third proportional to 135,247 and 210,525
Half scale
Find third proportional to 540,988 and 842,100
Double scale
Find third proportional to 270,496 and 421,053
Similar ratio
Find third proportional to 405,741 and 631,575
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.