Home / 309,114-651,438

Finding the Third Proportional to 309,114 and 651,438

Calculator

Solution

The third proportional to 309,114 and 651,438 is: 1,372,863.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,114 : 651,438 = 651,438 : x
  2. Step 2: Convert to fraction form
    309,114/651,438 = 651,438/x
  3. Step 3: Cross multiply
    309,114x = 651,438 × 651,438
  4. Step 4: Simplify right side
    309,114x = 424,371,467,844
  5. Step 5: Solve for x
    x = 424,371,467,844/309,114
  6. Step 6: Final answer
    x = 1,372,863.95

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.11) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.