Home / 257,948-344,025

Finding the Third Proportional to 257,948 and 344,025

Calculator

Solution

The third proportional to 257,948 and 344,025 is: 458,825.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,948 : 344,025 = 344,025 : x
  2. Step 2: Convert to fraction form
    257,948/344,025 = 344,025/x
  3. Step 3: Cross multiply
    257,948x = 344,025 × 344,025
  4. Step 4: Simplify right side
    257,948x = 118,353,200,625
  5. Step 5: Solve for x
    x = 118,353,200,625/257,948
  6. Step 6: Final answer
    x = 458,825.81

Related Problems

Find third proportional to 128,974 and 172,012.50
Half scale
Find third proportional to 515,896 and 688,050
Double scale
Find third proportional to 257,950 and 344,028
Similar ratio
Find third proportional to 386,922 and 516,037.50
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.33) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.