Home / 292,383-640,605

Finding the Third Proportional to 292,383 and 640,605

Calculator

Solution

The third proportional to 292,383 and 640,605 is: 1,403,552.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,383 : 640,605 = 640,605 : x
  2. Step 2: Convert to fraction form
    292,383/640,605 = 640,605/x
  3. Step 3: Cross multiply
    292,383x = 640,605 × 640,605
  4. Step 4: Simplify right side
    292,383x = 410,374,766,025
  5. Step 5: Solve for x
    x = 410,374,766,025/292,383
  6. Step 6: Final answer
    x = 1,403,552.07

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.