Home / 293,199-640,380

Finding the Third Proportional to 293,199 and 640,380

Calculator

Solution

The third proportional to 293,199 and 640,380 is: 1,398,662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,199 : 640,380 = 640,380 : x
  2. Step 2: Convert to fraction form
    293,199/640,380 = 640,380/x
  3. Step 3: Cross multiply
    293,199x = 640,380 × 640,380
  4. Step 4: Simplify right side
    293,199x = 410,086,544,400
  5. Step 5: Solve for x
    x = 410,086,544,400/293,199
  6. Step 6: Final answer
    x = 1,398,662.83

Related Problems

Find third proportional to 146,599.50 and 320,190
Half scale
Find third proportional to 586,398 and 1,280,760
Double scale
Find third proportional to 293,201 and 640,384
Similar ratio
Find third proportional to 439,798.50 and 960,570
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.