Home / 387,258.75-838,851.75

Finding the Third Proportional to 387,258.75 and 838,851.75

Calculator

Solution

The third proportional to 387,258.75 and 838,851.75 is: 1,817,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,258.75 : 838,851.75 = 838,851.75 : x
  2. Step 2: Convert to fraction form
    387,258.75/838,851.75 = 838,851.75/x
  3. Step 3: Cross multiply
    387,258.75x = 838,851.75 × 838,851.75
  4. Step 4: Simplify right side
    387,258.75x = 703,672,258,478.06
  5. Step 5: Solve for x
    x = 703,672,258,478.06/387,258.75
  6. Step 6: Final answer
    x = 1,817,059.68

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.