Home / 178,790-263,247

Finding the Third Proportional to 178,790 and 263,247

Calculator

Solution

The third proportional to 178,790 and 263,247 is: 387,599.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,790 : 263,247 = 263,247 : x
  2. Step 2: Convert to fraction form
    178,790/263,247 = 263,247/x
  3. Step 3: Cross multiply
    178,790x = 263,247 × 263,247
  4. Step 4: Simplify right side
    178,790x = 69,298,983,009
  5. Step 5: Solve for x
    x = 69,298,983,009/178,790
  6. Step 6: Final answer
    x = 387,599.88

Related Problems

Find third proportional to 89,395 and 131,623.50
Half scale
Find third proportional to 357,580 and 526,494
Double scale
Find third proportional to 178,792 and 263,250
Similar ratio
Find third proportional to 268,185 and 394,870.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.47) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.