Home / 290,268-615,770

Finding the Third Proportional to 290,268 and 615,770

Calculator

Solution

The third proportional to 290,268 and 615,770 is: 1,306,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,268 : 615,770 = 615,770 : x
  2. Step 2: Convert to fraction form
    290,268/615,770 = 615,770/x
  3. Step 3: Cross multiply
    290,268x = 615,770 × 615,770
  4. Step 4: Simplify right side
    290,268x = 379,172,692,900
  5. Step 5: Solve for x
    x = 379,172,692,900/290,268
  6. Step 6: Final answer
    x = 1,306,284.86

Related Problems

Why These Related Problems?

These problems maintain the same ratio (2.12) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.