Home / 257,517-346,530

Finding the Third Proportional to 257,517 and 346,530

Calculator

Solution

The third proportional to 257,517 and 346,530 is: 466,311.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,517 : 346,530 = 346,530 : x
  2. Step 2: Convert to fraction form
    257,517/346,530 = 346,530/x
  3. Step 3: Cross multiply
    257,517x = 346,530 × 346,530
  4. Step 4: Simplify right side
    257,517x = 120,083,040,900
  5. Step 5: Solve for x
    x = 120,083,040,900/257,517
  6. Step 6: Final answer
    x = 466,311.12

Related Problems

Find third proportional to 128,758.50 and 173,265
Half scale
Find third proportional to 515,034 and 693,060
Double scale
Find third proportional to 257,519 and 346,533
Similar ratio
Find third proportional to 386,275.50 and 519,795
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.