Home / 140,982-305,338

Finding the Third Proportional to 140,982 and 305,338

Calculator

Solution

The third proportional to 140,982 and 305,338 is: 661,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,982 : 305,338 = 305,338 : x
  2. Step 2: Convert to fraction form
    140,982/305,338 = 305,338/x
  3. Step 3: Cross multiply
    140,982x = 305,338 × 305,338
  4. Step 4: Simplify right side
    140,982x = 93,231,294,244
  5. Step 5: Solve for x
    x = 93,231,294,244/140,982
  6. Step 6: Final answer
    x = 661,299.27

Related Problems

Find third proportional to 70,491 and 152,669
Half scale
Find third proportional to 281,964 and 610,676
Double scale
Find third proportional to 140,984 and 305,342
Similar ratio
Find third proportional to 211,473 and 458,007
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.17) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.