Home / 310,406-681,776

Finding the Third Proportional to 310,406 and 681,776

Calculator

Solution

The third proportional to 310,406 and 681,776 is: 1,497,453.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,406 : 681,776 = 681,776 : x
  2. Step 2: Convert to fraction form
    310,406/681,776 = 681,776/x
  3. Step 3: Cross multiply
    310,406x = 681,776 × 681,776
  4. Step 4: Simplify right side
    310,406x = 464,818,514,176
  5. Step 5: Solve for x
    x = 464,818,514,176/310,406
  6. Step 6: Final answer
    x = 1,497,453.38

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.