Home / 297,200-451,480

Finding the Third Proportional to 297,200 and 451,480

Calculator

Solution

The third proportional to 297,200 and 451,480 is: 685,848.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,200 : 451,480 = 451,480 : x
  2. Step 2: Convert to fraction form
    297,200/451,480 = 451,480/x
  3. Step 3: Cross multiply
    297,200x = 451,480 × 451,480
  4. Step 4: Simplify right side
    297,200x = 203,834,190,400
  5. Step 5: Solve for x
    x = 203,834,190,400/297,200
  6. Step 6: Final answer
    x = 685,848.55

Related Problems

Find third proportional to 148,600 and 225,740
Half scale
Find third proportional to 594,400 and 902,960
Double scale
Find third proportional to 297,202 and 451,483
Similar ratio
Find third proportional to 445,800 and 677,220
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.52) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.