Home / 272,378-450,147

Finding the Third Proportional to 272,378 and 450,147

Calculator

Solution

The third proportional to 272,378 and 450,147 is: 743,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,378 : 450,147 = 450,147 : x
  2. Step 2: Convert to fraction form
    272,378/450,147 = 450,147/x
  3. Step 3: Cross multiply
    272,378x = 450,147 × 450,147
  4. Step 4: Simplify right side
    272,378x = 202,632,321,609
  5. Step 5: Solve for x
    x = 202,632,321,609/272,378
  6. Step 6: Final answer
    x = 743,937.92

Related Problems

Find third proportional to 136,189 and 225,073.50
Half scale
Find third proportional to 544,756 and 900,294
Double scale
Find third proportional to 272,380 and 450,150
Similar ratio
Find third proportional to 408,567 and 675,220.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.65) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.