Home / 122,908-260,216

Finding the Third Proportional to 122,908 and 260,216

Calculator

Solution

The third proportional to 122,908 and 260,216 is: 550,919.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,908 : 260,216 = 260,216 : x
  2. Step 2: Convert to fraction form
    122,908/260,216 = 260,216/x
  3. Step 3: Cross multiply
    122,908x = 260,216 × 260,216
  4. Step 4: Simplify right side
    122,908x = 67,712,366,656
  5. Step 5: Solve for x
    x = 67,712,366,656/122,908
  6. Step 6: Final answer
    x = 550,919.12

Related Problems

Find third proportional to 61,454 and 130,108
Half scale
Find third proportional to 245,816 and 520,432
Double scale
Find third proportional to 122,910 and 260,220
Similar ratio
Find third proportional to 184,362 and 390,324
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.