Home / 55,500-121,368

Finding the Third Proportional to 55,500 and 121,368

Calculator

Solution

The third proportional to 55,500 and 121,368 is: 265,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,500 : 121,368 = 121,368 : x
  2. Step 2: Convert to fraction form
    55,500/121,368 = 121,368/x
  3. Step 3: Cross multiply
    55,500x = 121,368 × 121,368
  4. Step 4: Simplify right side
    55,500x = 14,730,191,424
  5. Step 5: Solve for x
    x = 14,730,191,424/55,500
  6. Step 6: Final answer
    x = 265,408.85

Related Problems

Find third proportional to 27,750 and 60,684
Half scale
Find third proportional to 111,000 and 242,736
Double scale
Find third proportional to 55,502 and 121,372
Similar ratio
Find third proportional to 83,250 and 182,052
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.19) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.