Home / 165,082-257,505

Finding the Third Proportional to 165,082 and 257,505

Calculator

Solution

The third proportional to 165,082 and 257,505 is: 401,672.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,082 : 257,505 = 257,505 : x
  2. Step 2: Convert to fraction form
    165,082/257,505 = 257,505/x
  3. Step 3: Cross multiply
    165,082x = 257,505 × 257,505
  4. Step 4: Simplify right side
    165,082x = 66,308,825,025
  5. Step 5: Solve for x
    x = 66,308,825,025/165,082
  6. Step 6: Final answer
    x = 401,672.05

Related Problems

Find third proportional to 82,541 and 128,752.50
Half scale
Find third proportional to 330,164 and 515,010
Double scale
Find third proportional to 165,084 and 257,508
Similar ratio
Find third proportional to 247,623 and 386,257.50
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.