Home / 427,248-664,200

Finding the Third Proportional to 427,248 and 664,200

Calculator

Solution

The third proportional to 427,248 and 664,200 is: 1,032,565.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,248 : 664,200 = 664,200 : x
  2. Step 2: Convert to fraction form
    427,248/664,200 = 664,200/x
  3. Step 3: Cross multiply
    427,248x = 664,200 × 664,200
  4. Step 4: Simplify right side
    427,248x = 441,161,640,000
  5. Step 5: Solve for x
    x = 441,161,640,000/427,248
  6. Step 6: Final answer
    x = 1,032,565.72

Related Problems

Find third proportional to 213,624 and 332,100
Half scale
Find third proportional to 854,496 and 1,328,400
Double scale
Find third proportional to 427,250 and 664,203
Similar ratio
Find third proportional to 640,872 and 996,300
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.55) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.