Home / 115,338-247,920

Finding the Third Proportional to 115,338 and 247,920

Calculator

Solution

The third proportional to 115,338 and 247,920 is: 532,906.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,338 : 247,920 = 247,920 : x
  2. Step 2: Convert to fraction form
    115,338/247,920 = 247,920/x
  3. Step 3: Cross multiply
    115,338x = 247,920 × 247,920
  4. Step 4: Simplify right side
    115,338x = 61,464,326,400
  5. Step 5: Solve for x
    x = 61,464,326,400/115,338
  6. Step 6: Final answer
    x = 532,906.12

Related Problems

Find third proportional to 57,669 and 123,960
Half scale
Find third proportional to 230,676 and 495,840
Double scale
Find third proportional to 115,340 and 247,924
Similar ratio
Find third proportional to 173,007 and 371,880
1.5x scale

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.