Home / 66,599-142,676

Finding the Third Proportional to 66,599 and 142,676

Calculator

Solution

The third proportional to 66,599 and 142,676 is: 305,656.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,599 : 142,676 = 142,676 : x
  2. Step 2: Convert to fraction form
    66,599/142,676 = 142,676/x
  3. Step 3: Cross multiply
    66,599x = 142,676 × 142,676
  4. Step 4: Simplify right side
    66,599x = 20,356,440,976
  5. Step 5: Solve for x
    x = 20,356,440,976/66,599
  6. Step 6: Final answer
    x = 305,656.86

Related Problems

Find third proportional to 33,299.50 and 71,338
Half scale
Find third proportional to 133,198 and 285,352
Double scale
Find third proportional to 66,601 and 142,680
Similar ratio
Find third proportional to 99,898.50 and 214,014
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.14) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.