Home / 315,292-677,240

Finding the Third Proportional to 315,292 and 677,240

Calculator

Solution

The third proportional to 315,292 and 677,240 is: 1,454,696.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,292 : 677,240 = 677,240 : x
  2. Step 2: Convert to fraction form
    315,292/677,240 = 677,240/x
  3. Step 3: Cross multiply
    315,292x = 677,240 × 677,240
  4. Step 4: Simplify right side
    315,292x = 458,654,017,600
  5. Step 5: Solve for x
    x = 458,654,017,600/315,292
  6. Step 6: Final answer
    x = 1,454,696.02

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.15) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.