Home / 422,320-939,080

Finding the Third Proportional to 422,320 and 939,080

Calculator

Solution

The third proportional to 422,320 and 939,080 is: 2,088,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,320 : 939,080 = 939,080 : x
  2. Step 2: Convert to fraction form
    422,320/939,080 = 939,080/x
  3. Step 3: Cross multiply
    422,320x = 939,080 × 939,080
  4. Step 4: Simplify right side
    422,320x = 881,871,246,400
  5. Step 5: Solve for x
    x = 881,871,246,400/422,320
  6. Step 6: Final answer
    x = 2,088,158.85

Related Problems

Find third proportional to 211,160 and 469,540
Half scale
Find third proportional to 844,640 and 1,878,160
Double scale
Find third proportional to 422,322 and 939,084
Similar ratio
Find third proportional to 633,480 and 1,408,620
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.22) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.