Home / 118,880-247,720

Finding the Third Proportional to 118,880 and 247,720

Calculator

Solution

The third proportional to 118,880 and 247,720 is: 516,194.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,880 : 247,720 = 247,720 : x
  2. Step 2: Convert to fraction form
    118,880/247,720 = 247,720/x
  3. Step 3: Cross multiply
    118,880x = 247,720 × 247,720
  4. Step 4: Simplify right side
    118,880x = 61,365,198,400
  5. Step 5: Solve for x
    x = 61,365,198,400/118,880
  6. Step 6: Final answer
    x = 516,194.47

Related Problems

Find third proportional to 59,440 and 123,860
Half scale
Find third proportional to 237,760 and 495,440
Double scale
Find third proportional to 118,882 and 247,724
Similar ratio
Find third proportional to 178,320 and 371,580
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.