Home / 180,628-281,283

Finding the Third Proportional to 180,628 and 281,283

Calculator

Solution

The third proportional to 180,628 and 281,283 is: 438,028.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,628 : 281,283 = 281,283 : x
  2. Step 2: Convert to fraction form
    180,628/281,283 = 281,283/x
  3. Step 3: Cross multiply
    180,628x = 281,283 × 281,283
  4. Step 4: Simplify right side
    180,628x = 79,120,126,089
  5. Step 5: Solve for x
    x = 79,120,126,089/180,628
  6. Step 6: Final answer
    x = 438,028.02

Related Problems

Find third proportional to 90,314 and 140,641.50
Half scale
Find third proportional to 361,256 and 562,566
Double scale
Find third proportional to 180,630 and 281,286
Similar ratio
Find third proportional to 270,942 and 421,924.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.56) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.