Home / 177,720-281,376

Finding the Third Proportional to 177,720 and 281,376

Calculator

Solution

The third proportional to 177,720 and 281,376 is: 445,489.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,720 : 281,376 = 281,376 : x
  2. Step 2: Convert to fraction form
    177,720/281,376 = 281,376/x
  3. Step 3: Cross multiply
    177,720x = 281,376 × 281,376
  4. Step 4: Simplify right side
    177,720x = 79,172,453,376
  5. Step 5: Solve for x
    x = 79,172,453,376/177,720
  6. Step 6: Final answer
    x = 445,489.83

Related Problems

Find third proportional to 88,860 and 140,688
Half scale
Find third proportional to 355,440 and 562,752
Double scale
Find third proportional to 177,722 and 281,379
Similar ratio
Find third proportional to 266,580 and 422,064
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.58) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.