Home / 77,750-122,231

Finding the Third Proportional to 77,750 and 122,231

Calculator

Solution

The third proportional to 77,750 and 122,231 is: 192,159.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,750 : 122,231 = 122,231 : x
  2. Step 2: Convert to fraction form
    77,750/122,231 = 122,231/x
  3. Step 3: Cross multiply
    77,750x = 122,231 × 122,231
  4. Step 4: Simplify right side
    77,750x = 14,940,417,361
  5. Step 5: Solve for x
    x = 14,940,417,361/77,750
  6. Step 6: Final answer
    x = 192,159.71

Related Problems

Find third proportional to 38,875 and 61,115.50
Half scale
Find third proportional to 155,500 and 244,462
Double scale
Find third proportional to 77,752 and 122,234
Similar ratio
Find third proportional to 116,625 and 183,346.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.57) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.