Home / 61,909-144,655

Finding the Third Proportional to 61,909 and 144,655

Calculator

Solution

The third proportional to 61,909 and 144,655 is: 337,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,909 : 144,655 = 144,655 : x
  2. Step 2: Convert to fraction form
    61,909/144,655 = 144,655/x
  3. Step 3: Cross multiply
    61,909x = 144,655 × 144,655
  4. Step 4: Simplify right side
    61,909x = 20,925,069,025
  5. Step 5: Solve for x
    x = 20,925,069,025/61,909
  6. Step 6: Final answer
    x = 337,997.21

Related Problems

Find third proportional to 30,954.50 and 72,327.50
Half scale
Find third proportional to 123,818 and 289,310
Double scale
Find third proportional to 61,911 and 144,660
Similar ratio
Find third proportional to 92,863.50 and 216,982.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (2.34) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.