Home / 149,025-319,378

Finding the Third Proportional to 149,025 and 319,378

Calculator

Solution

The third proportional to 149,025 and 319,378 is: 684,464.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,025 : 319,378 = 319,378 : x
  2. Step 2: Convert to fraction form
    149,025/319,378 = 319,378/x
  3. Step 3: Cross multiply
    149,025x = 319,378 × 319,378
  4. Step 4: Simplify right side
    149,025x = 102,002,306,884
  5. Step 5: Solve for x
    x = 102,002,306,884/149,025
  6. Step 6: Final answer
    x = 684,464.40

Related Problems

Find third proportional to 74,512.50 and 159,689
Half scale
Find third proportional to 298,050 and 638,756
Double scale
Find third proportional to 149,027 and 319,382
Similar ratio
Find third proportional to 223,537.50 and 479,067
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.